2021 Chevrolet Silverado 1500 technical service bulletins
1,470 technical service bulletins and manufacturer communications cover the 2021 Chevrolet Silverado 1500, including one warranty extension.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This service bulletin provides information about GM Accessories
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- Beginning with 2026 model year production, the floor console/armrest lamp design was changed by removing...
- This document assists GM dealer technicians with diagnosing torque converter concerns to ensure torque...
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- This PI communicates information that Engineering has released an updated Trailer Lighting Control Module...
- • Improvements to OnStar functionality.
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- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- This PI communicates the proper part numbers for transmission connectors and internal harness to prevent...
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- This PI provides information to repair the door water deflector which is not sealed properly allows water...
- This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
- PI to help diagnose A/C concern
- This PI was created to help avoid unnecessary front camera module replacements
- This PI provides a diagnostic tip on poor a/c performance due to a condenser issue and instructions to...
- The purpose of this PI is to inform dealer technicians of a normal cab pressure relief valve noise to...
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- This PI provides diagnostic steps for dealer technicians to verify the condition and ensure that part...
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- The document advise technicians after an engine repair involving removal of the camshaft actuators, the...
- Pi created to provide GM dealers with information on gathering information for projection issue
- This PI provide diagnostic tip for an SES MIL with DTC P16A7 and/or P16AF. Dealers are to inspect for a...
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- Improvements to OnStar functionality.
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- Improvements to OnStar functionality
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- Condition in which the body-to-chassis ground strap may be corroded
- Condition where the connecting rod and/or crankshaft engine components in these vehicles may have...
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- This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax...
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- This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered...
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- This PI communicates information that Engineering is aware of concern and working to correct false Service...
- Under Field Actions N252494000, N252494001, the service procedure includes performing a PICO test on...
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- Condition where the transmission control valve has worn, resulting in a gradual loss of pressure within...
- This PI Addresses a possible solenoid wiring fault and how to inspect the build date to identify
- The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
- Condition that could
- New Vehicle Monitoring Programs Section in IVH
- Unknown or other
- This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer...
- This informational bulletin advises the technician of a part number change for long block engines used in...
- This service bulletin advises the technician of a possible loose ground that may be causing customer...
- Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver...
- This service bulletin provides a procedure to overhaul the control valve to replace a plate and worn down...
- This P/I is to advise to inspect the stacked plate heat exchanger as possible root
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- This PI communicates an issue with a SES MIL with DTC P2535, P12A6, P10DA and/or C111B maybe set after...
- Unknown or other
- This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
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- This PI is to inform dealers of a possible issue with an LVDS cable causing the radio to come on unwanted
- Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an...
- This PI communicates a procedure to clean oil leaking from the rain sensor.
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- This service bulletin provides information on Tire Sidewall Irregularities.
- This service bulletin provides information on replacing the intake manifold when the engine is replaced...
- This service bulletin provides technicians with information on available BCM calibrations to restore bulb...
- Unknown or other
- This informational bulletin provides information for dealers/technicians on power folding mirrors do not...
- This service bulletin advises the technician to check if the transmission cooler lines are twisted to...
- This bulletin advises the tech to inspect deeper into what may be to main
- The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle...
- This informational bulletin provides information on Anti-Chip Coating Appearance.
- This service bulletin provides information for the technicians to use a Customer Concern Verification...
- This service bulletin provides information to dealership personnel for new vehicles with less than 1,000...
- This bulletin advises the tech that the Exhaust Roller Follower may be the issue with the engine Ticking...
- This warranty administration bulletin provides policy information on vehicles outside of a California...
- Unknown or other
- Steering
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- This informational bulletin provides information on the turn signal stalk not cancelling and/or mis...
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- This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to...
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- This warranty administration bulletin provides policy information for GM courtesy transportation and...
- This service bulletin provides information on the proper Reflective High Temperature Heat and/or...
- This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator...
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- The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential...
- This informational bulletin advises the technician that the gasket for the timing chain tensioner is not...
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- This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases
- This bulletin advises the technician to flush the cooling system multiple times if oil has been found in...
- This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be...
- This service bulletin provides information for dealers/technicians on Service Programming System (SPS)...
- This informational bulletin advises the technician of which pan to use if the LCE has been replaced and to...
- This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for...
- This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs...
- This service bulletin provides information to diagnose batteries that have set for a long period of time...
- This service bulletin provides frame coating repair information to correct a customer concern of wax...
- This engineering information (EI) closure ends the need for gathering further information from technicians...
- This warranty administration bulletin provides information regarding the field action courtesy...
- This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
- Power train
- This service bulletin provides information on Wheel Alignment Specifications, Requirements and...
- This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer...
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- This technical bulletin provides repair information to correct a customer concern of a squeak and/or...
- This informational bulletin provides a procedure on how to remove the paint stain that may present itself...
- This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For...
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- This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the...
- This bulletin provides information to the tech on how to diagnosis the EGR system from possible issue that may
- This bulletin helps aid the tech in possible noise that may be normal or abnormal depending on the concern...
- This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage...
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- Power train
- This technical bulletin provides repair information to correct a customer concern of the pickup box being...
- This technical bulletin provides repair information to correct a customer concern of vertical misalignment...
- This service bulletin provides information on proper use of floor mats.
- This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
- This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil...
- This warranty administration service bulletin provides information about GM Accessories
- This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode,...
- Condition where the transmission control valve has worn, resulting in a gradual loss of pressure within...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- This service bulletin provides information to inform dealership personnel about Law Enforcement and...
- This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and...
- This technical bulletin provides repair information to correct a customer concern of Trailer Tire Pressure...
- This technical bulletin provides a procedure to locate and repair a broken ground stud at the NOx converter.
- This informational bulletin advises the technician to check for faults that may be caused by the trailer...
- This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the...
- This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform...
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- This bulletin advises the technician that if the code sets, verify the sensor then inspect the engine oil...
- This informational bulletin advises the technician on normal noises produced by the engine and to explain...
- This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using...
- This service bulletin advises the technician of possible coolant entering the areas of the engine, either...
- This warranty administration bulletin provides policy information on the requirements for 12V battery...
- Service brakes
- This service bulletin provides information for customers/dealers/technicians on Normal Camera Display...
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- This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
- This warranty administration bulletin provide policy information for variable diagnostic time allowances...
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- Electrical system
- This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
- This service bulletin provides repair information to correct customer concerns of Wheel Lock Up, ABS...
- This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending...
- This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone...
- Electrical system
- This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter...
- This bulletin provides diagnostic information when checking the exhaust system for leaks.
- This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times...
- Electrical system
- This informational bulletin provides technicians and dealership personnel with spray-in bed liner general...
- This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and...
- This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified...
- Electrical system
- Electrical system
- This engineering information (EI) closure ends the need for gathering further information from technicians...
- Unknown or other
- Engine
- Electrical system
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- This service bulletin provides a procedure to correct radio software concerns.
- This bulletin advises the tech of a part number change for the engine kit assembly.
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- This bulletin provides information on how to look for and test for DEF or water in the fuel system and...
- Fuel/propulsion system
- This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center...
- Power train
- This service bulletin provides information on key code security rules and information on GM keycode...
- This informational bulletin advises the tech and the customer of a normal DEF operation while under high...
- This service bulletin provides guidelines and diagnostic/repair information to technicians regarding...
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- This Warranty Administration bulletin provides information on the Global Warranty Management (GWM)...
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- This bulletin provides information on Warranty Administration – Required Operating Procedures
- This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS...
- This informational bulletin provides information on availability for a locking gas cap for trucks are...
- This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer...
- This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission...
- Engine
- This service bulletin provides information on some vehicles that may rock or move slightly forward or...
- Power train
- Structure: body
- This warranty administration bulletin provides policy information, proper labor operation selection and...
- Power train
- Engine
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- Service Update
- This bulletin advises the tech that if the wrong mounts are installed, this may be the
- Service brakes
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- Service brakes
- Power train
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- This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
- This service bulletin provides information for dealers/technicians on When and How to Submit a Field...
- This technical bulletin provides a procedure for the techs to replace the forward check ball and separator...
- Electrical system
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- Engine
- This bulletin advises the tech to validate the vibration and to perform an Engine mount balance to verify...
- This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer...
- Condition in which a transmission control body screen detaches from the spacer plate when the vehicle is...
- The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
- Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles
- This service bulletin provides information to dealership personnel on diagnosis and replacement of shock...
- This service bulletin provides graphics, information and guidelines for engine component wear to assist...
- His Preliminary information communicates an issue that when an engine mount is replaced there may be...
- Unknown or other
- This service bulletin provides information on AGM batteries that require less frequent charging in storage.
- Unknown or other
- Electrical system
- Electrical system
- Engine
- Electrical system
- This service bulletin explains how to identify possible DEF system contamination.
- This service bulletin provides information on a guide to help reduce repeat visits for the same customer...
- This Informational bulletin advises the technician of possible areas the oil may leak from the engine.
- This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the...
- This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the...
- This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last...
- This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
- This informational bulletin advises the technician that the engine and related parts will be debited if...
- This service bulletin advises about the possible issues that may occur when using a scotch brite pad or...
- This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER...
- This bulletin provides information on Engine Concerns that could result from lack of scheduled...
- This service bulletin provides service information for customer concerns of an in-tank fuel pump whining...
- This bulletin advises the technician of a possible kinked coolant hose that might be causing the customers...
- This Warranty Administration service bulletin provides information for dealers/Service advisors on when...
- This informational bulletin provides a way for the technician to identify if the ECM has been modified.
- This informational bulletin explains why more DEF is being used in diesel engines due to new emission...
- This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a...
- This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
- This service bulletin provides information for dealers/technicians on the process to disable and enable...
- This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C...
- GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities
- This informational bulletin explains the difference in AFM and DFM engines and what is and is not...
- This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted...
- This service bulletin explains the difference in oil filters for gas engines with new oil pump control...
- This technical bulletin provides repair information to correct a customer concern of Charge Air Cooler...
- This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is...
- This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves...
- This service bulletin advises the technician that the purge pump part number has changed and limited supply.
- This service bulletin provides information for replacement parts traceability (RPT) process to aid in...
- This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as...
- This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center...
- This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
- This service bulletin provides information for engine oil life monitor operation calculation.
- This warranty administration bulletin provides policy information requirements applicable to key fob...
- This Warranty Administration bulletin provides information on customer vehicles concern results in a...
- The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot...
- This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
- This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a...
- This warranty administration bulletin provides policy information to cover GMs policy on performing GM...
- This Warranty Administration bulletin provides retail and wholesale service personnel with the...
- This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
- This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive...
- This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original...
- This service bulletin includes information on Interior Cleaning
- This service bulletin provides technicians with information to help identify the differences between what...
- This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market...
- This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
- This bulletin updates the position of General Motors on refinishing aluminum wheels
- This technical bulletin provides a procedure to program the TCM and replace the control valve body if the...
- This bulletin provides information for electrical ground repairs using new General Motors replacement...
- This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate...
- Structure
- This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the...
- This service bulletin provides repair information to correct a customer concerns of Radio Software issues.
- This technical bulletin provides a procedure to program the TCM and replace the control valve body if the...
- This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake...
- This informational bulletin provides information for dealers/technicians on Body Control Module...
- This bulletin advises the tech to inspect deeper into what may be the main
- Exterior lighting
- Exterior lighting
- Equipment: other: owners/service/other manual
- Fuel system, gasoline
- Power train
- This service bulletin provides a procedure to replace the valve lifter and guides to correct customer...
- This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System...
- Engine and engine cooling
- Power train: axle assembly
- Electronic stability control: automatic (ASC)
- This service bulletin provides information on the cold start control system in DI engines to reduce cold...
- This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required...
- Equipment: electrical
- Electrical system
- Structure: body: tailgate
- This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.
- This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus...
- This service bulletin provides Information on Purge Pump Part Replacement and Purge pump Part Number...
- This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade...
- This technical bulletin provides repair information to correct a customer concern of 2020
- This service bulletin advises the technician that the possible
- Structure
- This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License...
- This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- This PI states that a vehicle may exhibit a concern of the cross traffic alert indicators not displaying...
- Equipment: other: owners/service/other manual
- Fuel system, gasoline: storage
- Exterior lighting
- Electrical system
- Electrical system
- Unknown or other
- This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
- This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift...
- Equipment: electrical: wireless charger/cradle
- Equipment: electrical: wireless charger/cradle
- This informational bulletin provides Information on Purge Pump Part Replacement and Purge Part Number...
- Electrical system
- Back over prevention
- Steering
- Suspension
- This service bulletin provides a procedure to replace the front wheel drive shaft to correct a customer...
- This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with...
- Visibility: defroster/defogger/HVAC system
- This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
- This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty...
- This information bulletin advises the technician the difference between a welch cap leak and the output...
- This service bulletin provides information on General Motors Dealership Critical Equipment Requirements...
- This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS...
- This technical bulletin provides a procedure to correct the condition of Missing French Translation Label...
- This service bulletin provides information about the Hunter wheel Road Force balancers that should be...
- This service bulletin provides information for dealers on how to submit a product information report (PIR)...
- This bulletin provides information on Warranty Administration – Required Operating Procedures
- This informational bulletin provides graphs to help identify possible issues that may
- This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
- This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for...
- Electronic stability control: automatic (ASC)
- This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
- This informational bulletin advises the tech the possible causes of the DTCs that set and how to...
- This informational bulletin advised the technician that the engine and related parts will be debited if...
- Engine
- This service bulletin provides technicians with updated information to help identify the differences...
- This informational bulletin provides information on Clean Exhaust Filter See Owner Manual Now or Cleaning...
- This service bulletin provides information on availability of Diesel Fuel additives.
- This bulletin advises the technician of a possible coolant hose that might be kinked causing the customer...
- This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump.
- Special Coverage
- This engineering information (EI) closure ends the need to gather further information from technicians...
- This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
- This service bulletin provides information for dealers/technicians on accessory all-weather floor liners...
- This service bulletin provides information on availability for a seat belt extender.
- Equipment: other: owners/service/other manual
- This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market...
- This service bulletin provides information on Paintless Dent Repair Process.
- This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a...
- Structure
- This service bulletin provides repair information to update radio software to correct customer concerns of...
- This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter...
- This technical bulletin provides repair information to correct a customer concern of No Alert Tones from...
- Electrical system
- Tires: sidewall
- This service bulletin provides information to dealership personnel on automatic transmission shift and...
- This service bulletin provides information for dealers/technicians on When and How to Submit a Field...
- This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues
- This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are...
- Air bags
- Electrical system: integrated trailer brake control
- This technical bulletin provides repair information to correct a customer concern of the foam strip...
- Structure: body: tailgate
- Forward collision avoidance: adaptive cruise control
- Back over prevention
- The technical bulletin provides a procedure to lube the yoke and caps if found the
- This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer...
- This service bulletin provides information to dealership personnel that after performing a brake...
- This technical bulletin provides repair information to correct a customer concern of seeing the trailer...
- Communication: auto crash notification
- This technical bulletin provides a procedure to correct the condition of Gap at Door Armrest Decorative...
- This service bulletin provides repair information to correct a customer concern of Rear View Camera...
- This technical bulletin provides repair information to correct a customer concern of Volume Selection Does...
- This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full...
- This service bulletin provides information for the technician that may experience a condition when after...
- This service bulletin provides service information on new torque specification and installation procedure...
- Equipment: electrical
- This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning...
- Power train
- This informational bulletin provides Information on Light Duty Silverado and Sierra Correct Spare Tire...
- This technical bulletin provides repair information to correct a customer concern of the Tri-Fold Tonneau...
- This informational bulletin provides information for dealers/technicians on Information on GM Accessories
- This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness...
- This service bulletin provides information for after installation of a replacement upper valve body, the...
- This Warranty Administration bulletin provides policy information on Causal Part requirements for...
- This technical bulletin provides repair information to correct a customer concern of LM2 Engine...
- This service bulletin provides repair information on release of Radio Software Version V160 Update to...
- This warranty administration bulletin provides policy information for variable diagnostic time allowances...
- This technical bulletin provides a procedure to replace the fuel feed line if found the
- This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water...
- Power train
- This service bulletin provides repair information to correct a customer concern of Blue or Black Screen...
- This technical bulletin provides repair information to correct a customer concern of Unable to Dismiss...
- Equipment: electrical: infotainment: software
- Back over prevention
- This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance...
- This service bulletin provides information for accurate tire pressures that ensure the safe handling and...
- This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
- This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.
- Back over prevention
- Equipment: electrical
- Visibility: defroster/defogger/HVAC system
- This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to...
- This service bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh...
- This technical bulletin provides a procedure to locate a possible short in the engine wiring harness.
- Service Update
- Engine and engine cooling: exhaust system
- This technical bulletin provides a procedure to replace the front wheel drive shaft if found the
- This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.
- This informational bulletin advises the tech to check if the trans cooler lines are twisted which may
- Visibility: defroster/defogger/HVAC system: rear window: electrical heating element
- This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to...
- Equipment: other: owners/service/other manual
- This service bulletin provides repair information to correct a customer concern of Rear View Camera...
- This engineering information (EI) closure ends the need for gathering information from technicians in...
- This service bulletin advises the technician that the possible
- This engineering information (EI) closure ends the need for gathering further information from technicians...
- This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine...
- Equipment: other: owners/service/other manual
- Trailer hitches
- This bulletin advises the technician of a possible coolant hose that might be kinked causing the customers...
- This information advises the technician the difference between a welch cap leak and the output seal of the...
- This technical bulletin advises the technician to rest the MIL and diagnose additional DTCs for why the...
- This service bulletin provides information on Module Harvesting.
- Engine and engine cooling
- Back over prevention: sensing system: camera
- Back over prevention
- This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical...
- Back over prevention: display function
- Condition where the Front Camera Module (FCM) becomes unresponsive and generates a Diagnostic Trouble Code...
- In certain vehicles, equipped with a manual HVAC system (RPO: C4P), the K33 HVAC Control Module may not...
- Power train
- This engineering information (EI) closure ends the need for further information from the field in regards...
- This informational bulletin explains how the trans slip or flare can be a normal condition.
- This service bulletin provides information on Handling Requests for Modifications to Permanently...
- This informational bulletin provides information for dealers/technicians on Aero Shutter Related...
- This service bulletin provides information on OEM and Remanufactured Engine and Automatic...
- This service bulletin provides the technician with additional information on fuels, fuel additives and...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- This informational bulletin explains how to identify possible DEF contamination.
- This Informational bulletin advises the technician of a possible oil leak at the front cover and how to...
- This service bulletin provides repair information to correct a customer concern of Radio System Settings...
- This informational bulletin advises the technician of possibly installing the incorrect 1-2-7-8-R clutch...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- This technical bulletin provides information on a possible bolt and guide pin that may be missing from the...
- This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my...
- Power train
- This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter...
- This service bulletin provides information on Terms and Conditions/Privacy Statement App (TCPS App) Guide...
- This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to...
- This technical bulletin provides a procedure to install 2 way tape to correct a condition of Trailering...
- This informational bulletin advises the technician to replace the TBV if the transmission has any type of...
- Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe
- This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator...
- This engineering information (EI) closure ends the need for further information regarding oil leaking from...
- Engine and engine cooling: exhaust system
- This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.
- This service bulletin provides service information/procedures on continuous improvement Radio Software...
- Visibility: sun/moon roof assembly
- This technical bulletin provides repair information to correct a customer concern of Black Radio Display...
- Service brakes
- Back over prevention: display function
- Fuel system, gasoline
- This informational bulletin advises the technician to check for faults that may be caused by the trailer...
- This technical bulletin advises to replace the camshaft cover if found within the Julian date and the
- This engineering information (EI) closure ends the need for further information from the field in regards...
- This engineering informational bulletin is requesting information from technicians to take pictures of...
- This engineering informational bulletin is requesting information from technicians to perform the check...
- Fuel system, diesel
- This informational bulletin provides information on Information on Common Customer Trailer Side Faults.
- THis informational bulletin advises the tech not to replace the exhaust system if they smell plastic or...
- This service bulletin provides repair information to correct a customer concern of Possible Crank No Start...
- Electrical system
- This informational bulletin explains the normal noises an engine may make when the ambient temperature...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- Electrical system
- Fuel system, gasoline
- This informational bulletin provides the way to correctly tighten lug nuts to reduce the chances of...
- This technical bulletin provides repair information to correct a customer concern of Service Front Camera...
- This service bulletin provides policy information on warranty administration guidelines for multiple...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- Structure: body: tailgate
- Power train
- This informational bulletin provides information on a guide to help reduce repeat visits for the same...
- Wheels
- This engineering information (EI) closure ends the need for further information from the field in regards...
- Electrical system: ADAS: parking assist: sensors
- This engineering information (EI) closure ends the need for further information from the field in regards...
- Electrical system
- This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels...
- This engineering informational bulletin is requesting information from technicians to perform the check...
- Engine
- This technical bulletin provides a procedure to install a new tonneau cover front seal.
- Information bulletin explains a possible coolant leak coming from the cylinder head bolt areas.
- Engine and engine cooling: engine: crank/camshaft position sensor
- Electrical system
- Trailer hitches
- Power train: axle assembly
- This informational bulletin provides information for dealers/technicians on an elevated idle feature.
- This technical bulletin advises to replace the camshaft cover if found with in the Julian date and the
- Power train: automatic transmission
- This informational bulletin advises the tech of a possible loose bolts at the turbo actuator and to...
- This service bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM)...
- This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty...
- Engine and engine cooling
- Engine and engine cooling
- This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter...
- Structure
- Back over prevention
- This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- This information bulletin advised the tech of possible use of low fuel quality and the possible...
- The informational bulletin explains the normal noises that are emitted from the engine once the engine is...
- This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken...
- This informational bulletin explains a normal condition for sludge to form in the oil cap when equipped...
- This service bulletin provides service information for a DEF pump that is unable to build pressure after...
- This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic
- This engineering informational bulletin is requesting information from technicians to perform the check...
- This informational bulletin explains how the regen works for the DEF system and how it works at different...
- This technical bulletin provides repair information to correct a customer concern of Unable to Set PIN to...
- This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
- The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as...
- THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris...
- This service bulletin provides a service procedure to correct a customer concern of a Malfunction...
- This service bulletin provides repair information for dealers/technicians to correct a customer concern of...
- This informational bulletin advises the technician of possible coolant entering the areas of the engine,...
- This bulletin advises the technician of a possible location that a leak may occur from the SCT pipe.
- TGhis bulletin advises the technician of a possible coolant hose that might be kinked causing the...
- This service bulletin provides information on Engine Oil Consumption Guidelines.
- This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera...
- This service bulletin provides information for dealers/technicians and customers on steam/vapor coming...
- This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics...
- This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with...
- Engineering Information.
- Equipment
- Power train
- Equipment
- Wheels
- This service bulletin advises the technician on what to do if the DEF pump has been replaced and perform a...
- Equipment
- Equipment
- Equipment
- This warranty administration bulletin provides policy information on the requirements for battery testing...
- This PI communicates that engineering is investigating a correction to a noise originating in the front of...
- Service Update
- Customer Satisfaction Program
- Engine
- This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray...
- This engineering informational bulletin is requesting information from technicians to perform the check...
- Emission Recall
- This technical bulletin provides repair information to correct a customer concern of Crooked Rear View...
- This engineering informational bulletin is requesting information from technicians to perform the check...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- Wheels
- This engineering informational bulletin is requesting information from technicians to perform the check...
- Service Update
- This engineering information (EI) is requesting information from technicians to perform the check list...
- Back over prevention
- Service Update
- This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced...
- This engineering informational bulletin is requesting information from technicians to perform the check...
- This engineering informational bulletin is requesting information from technicians to perform the check...
- This service bulletin provides a procedure to correct a condition of a Service Emission System and/or...
- Back over prevention
- Electronic stability control: automatic (ASC)
- This technical bulletin provides a procedure to inspect fuses F51DR and/or F52DR in the X51R right...
- Electrical system
- Power train
- This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- Service Update Bulletin
- This engineering informational bulletin is requesting information from technicians to perform the check...
- Engine
- This service bulletin provides a procedure to replace both front door seals to correct a customer concern...
- Equipment
- Customer Satisfaction Program
- This technical bulletin provides a procedure to replace the lower seat frame to correct the condition of...
- This technical bulletin provides a procedure to program the ECM to correct the customers concern.
- This service bulletin provides diagnostic information for a customer concern of engine vibration.
- This informational bulletin advises the technician to verify the TCM is asleep before trying to repair the...
- Electrical system
- This engineering informational bulletin is requesting information from technicians to perform the check...
- This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During...
- Engine
- This warranty administration bulletin provides policy information requirements applicable to key fob...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- Service Update Bulletin
- Service brakes
- Back over prevention
- Equipment
- Air bags
- Equipment: electrical
- Structure
- Equipment: electrical: radio/tape deck/cd etc.
- Back over prevention: software
- Structure
- Engine and engine cooling
- This service bulletin provides repair information for Radio Software Version V155 Update.
- This technical bulletin provides repair information to correct a customer concern of DTC P0101 Mass Air...
- Equipment: other: owners/service/other manual
- This informational bulletin advises the technician of the changes in the DFM and DFM system for the pickups.
- Equipment
- Power train
- Back over prevention
- This technical bulletin provides a procedure to correct the condition of Information on Vehicles Engine...
- This warranty administration bulletin provides policy information requirements applicable to key fob...
- Back over prevention: software
- Customer Satisfaction Program
- This informational bulletin provides information on proper use of floor mats.
- Air bags
- Customer Satisfaction Program
- This informational bulletin explains why more DEF is being used in diesel engines do to new emission...
- Engine and engine cooling: engine: crank/camshaft position sensor
- This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full...
- This informational bulletin provides a test procedure, for a possible faulty DEF Heater.
- Equipment
- Structure
- Customer Satisfaction Program
- This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the
- This engineering informational bulletin is requesting information from technicians to perform the check...
- Structure
- Structure
- Customer Satisfaction Program
- Stop Delivery Order for Upcoming Customer Satisfaction Program.
- This informational bulletin advises the tech of a possible normal condition when the vehicle creeps...
- This technical bulletin provides a procedure to program the reductant fluid module if found the
- This informational bulletin advises the technician on what to do if the DEF pump has been replaced and...
- This service bulletin provides V152 radio software update information to correct customer concerns of...
- This engineering informational bulletin is requesting information from technicians to perform the check...
- This engineering informational bulletin is requesting information from technicians to perform the check...
- Equipment: electrical: radio/tape deck/cd etc.
- Engine and engine cooling: engine: crank/camshaft position sensor
- This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom...
- Electrical system: wiring
- Service Update
- This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.
- This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding...
- Back over prevention: software
- This technical bulletin provides repair information to correct a customer concern of Unable to Access Apps...
- Equipment: other: owners/service/other manual
- This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a...
- Equipment: electrical: infotainment: bluetooth/wifi
- Electrical system: body control module/bcm
- Customer Satisfaction Program
- This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low...
- This bulletin provides information on Warranty Administration ? Required Operating Procedures
- This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found...
- This engineering informational bulletin is requesting information from technicians to perform the check...
- This Informational Bulletin provides information on availability of Diesel Fuel additives.
- Thins informational bulletin provides information on Paint-less Dent Repair Process.
- Engine
- Engine and engine cooling
- This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the
- This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over...
- This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining...
- This informational bulletin provides information on higher than expected oil consumption.
- This service bulletin provides information for dealers/technicians on Normal Characteristic
- This engineering information (EI) is requesting information from technicians to perform the check list...
- This warranty administration bulletin provides information on Warranty Administration
- PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a...
- This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to...
- This engineering informational bulletin is requesting information from technicians to inspect for engine...
- This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver...
- This technical bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh...
- This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the...
- This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure...
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