2024 Chevrolet Blazer Technical Service Bulletins

423 technical service bulletins (TSBs) are on record for the 2024 Chevrolet Blazer. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10252107Mar 18, 2024Equipment, Fuel system. This technical bulletin provides a procedure replace the tappet that is located on the fuel door.
• 10253089Mar 15, 2024Body and structure, Electrical system. This PI states a vehicle may be encountered with a wind noise. The dealer is directed to reprogram the K9 Body Control Module with the latest calibrations available.
• 10253088Mar 15, 2024Body and structure. This Preliminary information communicates a customer may complain that when they open the liftgate it opens fully and then reverses to the closed position. The dealer technician is directed program the K194 Rear Gate Module.
• 10253083Mar 14, 2024Body and structure. This Preliminary information communicates information to help diagnose inoperative rear liftgate logo.
• 10251921Mar 13, 2024Seats, Electrical system. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to Melted Burn Marks and/or Smoke Smell Coming from the Height Adjuster Motor Under the Front Row Seat.
• 10251890Mar 13, 2024Engine cooling. This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
• 10253075Mar 11, 2024Equipment. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 10251888Mar 11, 2024Equipment. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 10251889Mar 10, 2024Equipment. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10253072Mar 8, 2024Back-over prevention (rear camera). This Preliminary information communicates a vehicle may be encountered with a grid type box showing at the front of the vehicle in the camera display. The dealer is advised that this is a normal characteristic of the vehicle and no repairs should be made.
• 10253063Mar 6, 2024Electrical system. This Preliminary information communicates to the dealer that no hardware parts as needed to repair the vehicle and to follow programming procedure to repair and fix the codes that were present. The Programming of the BECM will repair the concern due to programming out the sensor that is no longer used due to quality issues with the sensor.
• 10253062Mar 5, 2024Fuel system, Engine cooling, Exterior lighting. This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To clear the code to see if it resets current. If the code resets it advises to utilize Strategy Based Diagnosis. If the code does not reset, it advises to release the vehicle to the…
• 10251635Mar 4, 2024Equipment. This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
• 10251525Mar 1, 2024Engine cooling. This engineering information (EI Lite) is requesting technicians use the FPR App process in regard to finding coolant leaking around the Coolant Control Valve (CCV).
• 10251513Mar 1, 2024Other or unknown. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10250775Feb 22, 2024Engine cooling. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
• 10251704Feb 21, 2024Forward collision avoidance. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
• 10251692Feb 12, 2024Equipment. This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
• 10250505Feb 7, 2024Engine cooling, Fuel system. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
• 10250503Feb 7, 2024Engine cooling. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 10250347Feb 2, 2024Transmission and drivetrain, Engine cooling. This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
• 10250283Jan 31, 2024Equipment. This engineering information (EI) Lite is requesting technicians to follow the FPR App process in regards on fluid and/or grease on the driver floor mat around the acceleration pedal area that results in a repair.
• 10250007Jan 31, 2024Equipment. This Preliminary information communicates an issue where the vehicles wireless charger no longer works with certain ISO updates on Apple 15 phones and advises customer to update their phone to the lastest ISO update.
• 10250276Jan 30, 2024Electrical system, Equipment. This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.
• 10250278Jan 29, 2024Equipment, Electrical system. This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.
• 10250258Jan 26, 2024Engine cooling. This service bulletin provides Information on Purge Pump Part Replacement and Purge pump Part Number Interchangeability.
• 10249995Jan 24, 2024Body and structure. This Preliminary information communicates information to help diagnose inoperative rear liftgate logo.
• 10250254Jan 23, 2024Transmission and drivetrain. This service bulletin provides a procedure to correct a customer concern of Shudders or Shakes at Low Speeds.
• 10249988Jan 19, 2024Equipment. This Preliminary information communicates to the dealer of a possible issue with the vehicle is that the code was set in error and will need a reset procedure performed to verify. This PI outlines the path the dealer is to take to verify that the vehicle can be repaired with this procedure to prevent unnecessary parts replacement and time in service.
• 10250244Jan 18, 2024Body and structure. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
• 10250247Jan 16, 2024Equipment, Seats, Electrical system. This engineering information (EI) s requesting information from technicians to perform the check list provided and contact the engineer listed in regard to Melted Burn Marks and/or Smoke Smell Coming from the Height Adjuster Motor Under the Front Row Seat.
• 10249590Jan 16, 2024Equipment. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
• 10249579Jan 12, 2024Engine cooling, Transmission and drivetrain. This PI bulletin advises the technician on the proper way to install the pistons in an engine.
• 10249011Jan 12, 2024Exterior lighting. This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
• 10249037Jan 11, 2024Engine cooling. This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the parts that wouldn't apply to the repair.
• 10249964Jan 8, 2024Fuel system. This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern.
• 10249535Jan 8, 2024Electrical system. This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
• 10249959Jan 5, 2024Transmission and drivetrain. This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
• 10248269Dec 21, 2023Seats, Equipment, Electrical system. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to Melted Burn Marks and/or Smoke Smell Coming from the Height Adjuster Motor Under the Front Row Seat.
• 10249294Dec 15, 2023Other or unknown, Electrical system. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
• 10249286Dec 13, 2023Equipment. This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the latest ISO update on Apple 15 phones.
• 10247552Dec 12, 2023Equipment. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
• 10249281Dec 8, 2023Equipment. This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
• 10247192Dec 8, 2023Equipment, Engine cooling, Electrical system. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 10247194Dec 7, 2023Engine cooling. This informational bulletin provides Information on Purge Pump Part Replacement and Purge Part Number Interchange.
• 10249270Dec 6, 2023Equipment. This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
• 10245691Dec 1, 2023Equipment. Stop Delivery Order Await Communication: Reference Number N232429910
• 10246483Nov 29, 2023Engine cooling. This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.
• 10246480Nov 20, 2023Transmission and drivetrain. This technical bulletin provides repair information to correct a customer concern of Rear Driveline Module Audible Noise Heard Between 20-70MPH.
• 10245570Nov 16, 2023Electrical system, Transmission and drivetrain. This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.

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