2025 Chevrolet Trailblazer technical service bulletins
274 technical service bulletins and manufacturer communications cover the 2025 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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- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a...
- PI provides information on how to obtain a restricted radio
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- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
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- This document assists GM Dealer technician's with diagnosing turbocharger concerns to ensure turbocharger...
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- PI to help diagnose A/C concern
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- This document is a technical bulletin regarding CarPlay issues in certain Buick and Chevrolet models
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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 document is a technical bulletin regarding CarPlay issues in certain Buick and Chevrolet models.
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- This bulletin communicates to a dealer the repair direction that should be taken if they encounter a...
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- Certain vehicles listed above may be missing relevant information regarding the use of snow chains, snow...
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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
- Certain vehicles may be missing relevant information regarding the use of snow chains, snow socks, or...
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- This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
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- 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...
- This engineering information (EI) closure ends the need for gathering further information from technicians...
- The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle...
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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 engineering information (EI) is requesting information from technicians to perform the check list...
- 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 service bulletin provides repair procedures for radio software update version 169.4 to correct...
- 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 a transmission fluid leak.
- 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 engineering information (EI) closure ends the need for gathering further information from technicians...
- 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 bulletin provides a procedure to check the wiring harness for a possible short that may
- This engineering information (EI) is requesting information from technicians to perform the check list...
- 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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- 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...
- This engineering information (EI) closure ends the need for gathering further information from technicians...
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- This engineering information (EI) is requesting information from technicians to perform the check list...
- 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...
- This engineering informational bulletin is requesting information from technicians to perform the check...
- Lane departure: assist
- Electrical system
- Power train
- This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
- This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C)...
- 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...
- Power train
- This service bulletin provides 9th gear operation information to respond to customers that may comment on...
- 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...
- Electrical system
- 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...
- 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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- 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.
- Forward collision avoidance: adaptive cruise control
- 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 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 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 information for engine oil life monitor operation calculation.
- This warranty administration bulletin provides policy information requirements applicable to key fob...
- 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 on submitting quality Photos of Various Vehicle Concerns to the...
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