2023 Chevrolet Trailblazer technical service bulletins
486 technical service bulletins and manufacturer communications cover the 2023 Chevrolet Trailblazer, 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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- PI created to guide technicians through radio restriction process
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- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
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- PI to help diagnose A/C concern
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- This PI addresses leaks from the case half and provides repair direction to dealer technicians
- PIP6032B provides diagnostic direction for dealers when encountering transmission leaks
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- Pi created to provide GM dealers with information on gathering information for projection issue
- This PI instructs dealers to install foam around the shifter cable to stop rattling
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- This bulletin communicates to a dealer the repair direction that should be taken if they encounter a...
- Improvements to OnStar functionality.
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- This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered...
- This bulletin communicates to the dealer actions to take when a customer has no or reduced air flow from...
- Improvements to OnStar functionality
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- This PI advises to get a session log for transmissions with broken chains
- The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
- New Vehicle Monitoring Programs Section in IVH
- This service bulletin provides service procedure information to correct a customer concern of Shift to...
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- This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an...
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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...
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- The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle...
- This service bulletin provides a procedure to fix an oil leak from a porous area at the cylinder head and...
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- 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...
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- This warranty administration bulletin provides information for dealers/technicians on System Reset and...
- This warranty administration bulletin provides policy information on vehicles outside of a California...
- Steering
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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 information on normal engine characteristics/noise produced by the LIH or...
- The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential...
- This service bulletin provides a procedure to test and replace, if needed, the pressure sensor and/or the...
- 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 bulletin provides information on Wiper Blade Maintenance Tips.
- This service bulletin provides repair information to correct a customer concern of Vehicle Will Lock and...
- This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for...
- This service bulletin provides repair information to correct a customer concern of No Crank, No Start,...
- This service bulletin provides repair information to correct a customer concern of Vehicle Will Not Lock...
- This service bulletin provides information to diagnose batteries that have set for a long period of time...
- This service bulletin provides a repair procedure to correct a customer concern of start/stop inoperative,...
- This warranty administration bulletin provides information regarding the field action courtesy...
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- 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...
- This informational bulletin provides a procedure on how to remove the paint stain that may present itself...
- This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the...
- This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is...
- This service bulletin provides customer information for rear unwanted automatic braking, usually when...
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- 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
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- Power train
- This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode,...
- 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...
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- This technical bulletin provides repair information to correct a customer concern of Poor Engine...
- This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using...
- This warranty administration bulletin provides policy information on the requirements for 12V battery...
- This warranty administration bulletin provide policy information for variable diagnostic time allowances...
- This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
- This service bulletin provides information for dealers/technicians on Labor Operations for Limited...
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- Lane departure: assist
- Electrical system
- This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
- This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone...
- This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter...
- This service bulletin provides 9th gear operation information to respond to customers that may comment on...
- This technical bulletin provides a procedure a squeal noise heard from the front of the vehicle during...
- This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may...
- This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified...
- This service bulletin provides diagnostic information/procedures to aid the service technician in...
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- This service bulletin provides a procedure to correct radio software concerns.
- This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center...
- This service bulletin provides information on key code security rules and information on GM keycode...
- This service bulletin provides guidelines and diagnostic/repair information to technicians regarding...
- This Warranty Administration bulletin provides information on the Global Warranty Management (GWM)...
- This service bulletin provides information for dealers/technicians on New Labor Operations for Limited...
- A new radio software update, version C157/C158, was released to service vehicles equipped with...
- 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 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...
- This service bulletin provides information on some vehicles that may rock or move slightly forward or...
- This warranty administration bulletin provides policy information, proper labor operation selection and...
- 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...
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- Vehicle speed control
- 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...
- Power train
- This service bulletin provides information on AGM batteries that require less frequent charging in storage.
- Electrical system
- Power train
- This service bulletin provides information on a guide to help reduce repeat visits for the same customer...
- 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 Warranty Administration service bulletin provides information for dealers/Service advisors on when...
- 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 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 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 bulletin provides a procedure to test the turbo wastegate regulator valve before replacing the turbo...
- 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 technical bulletin provides a procedure to correct Drone Noise with RPM About 1600 RPM in Park or...
- 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 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...
- This bulletin provides a procedure to replace the oil pump if the code noted was set do to the debris left...
- This service bulletin advises the technician to replace valve body first to determine if that is the issue...
- This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
- 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 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 bulletin provides information for electrical ground repairs using new General Motors replacement...
- 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 informational bulletin advises the changes to some of the 9-speed oil control changes from previous...
- Emission Recall
- This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake...
- This service bulletin provides a procedure to locate and fix a possible leak in the roof area due to...
- This technical bulletin provides a procedure to correct the condition of Service All-Wheel Drive System...
- This service bulletin provides a repair procedure to correct a customer concern of Loss of and/or Reduced...
- This service bulletin provides information on normal engine characteristics/noise produced by the LIH engine.
- 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...
- This service bulletin provides a information and diagnostic steps/tips for vehicles that are slow to heat...
- 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...
- 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...
- Power train
- Electrical system
- This service bulletin provides repair information to correct a customer concern of a Rear Side Door...
- This informational bulletin provides Information on Purge Pump Part Replacement and Purge Part Number...
- Emission Recall
- This engineering information (EI) Lite closure ends the need for requesting technicians to use the steps...
- This technical bulletin provides a procedure to replace the shifter if the park switch has been found with...
- Equipment
- This informational bulletin explains how to check if the pulley and/or drive chain has any damage caused...
- This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with...
- This informational bulletin provides information on dark spots in the headlamp pattern when the vehicle is...
- This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty...
- This service bulletin provides information on General Motors Dealership Critical Equipment Requirements...
- This service bulletin provides information about the Hunter wheel Road Force balancers that should be...
- This service bulletin provides information for dealers/technicians on a normal characteristic of Brake Pedal
- 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 technical bulletin provides a procedure to test and replace the brake pedal to correct a customer...
- Customer Satisfaction Program
- Engine and engine cooling: engine: oil/lubrication
- Electronic stability control: automatic (ASC)
- This Engineering Information (EI) Lite ends the need for gathering information on a coolant leak using the...
- This informational bulletin advises the changes to some of the 9-speed automatic transmission oil control...
- This engineering information (EI) closure ends the need for gathering further information from technicians...
- This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
- This engineering information (EI) Lite is requesting information from technicians to use the steps in the...
- This informational bulletin advised the technician that the engine and related parts will be debited if...
- This service bulletin provides technicians with updated information to help identify the differences...
- Customer Satisfaction Program
- 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.
- 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 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 service bulletin provides information to dealership personnel on automatic transmission shift and...
- This service bulletin provides repair information to correct a customer concern of Wireless Charging...
- Customer Satisfaction Program
- This service bulletin provides information for dealers/technicians on When and How to Submit a Field...
- This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are...
- This Engineering Information (EI) Lite instructs the technician that if they encounter a vehicle where a...
- Communication: auto crash notification
- Customer Satisfaction Program
- This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full...
- This service bulletin provides service information on new torque specification and installation procedure...
- Equipment
- Emission Recall
- This technical bulletin provides repair information to correct a customer concern of a Malfunction...
- Voluntary Emission Recall
- Electrical system
- This Warranty Administration bulletin provides policy information on Causal Part requirements for...
- Engine and engine cooling: engine: gasoline: turbo/supercharger
- 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...
- Certain vehicles may be in new vehicle inventory or in transit to the dealership
- This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water...
- Electrical system
- This service bulletin provides repair information to correct a customer concern of Wireless Charging...
- Power train
- Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or...
- 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.
- Customer Satisfaction Program
- Equipment: other: owners/service/other manual
- Engine and engine cooling
- This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.
- This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to...
- Service Update
- This service bulletin provides repair information to correct a customer concern of Rear View Camera...
- Back over prevention: sensing system: camera
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