2025 Chevrolet Trailblazer Technical Service Bulletins

272 technical service bulletins (TSBs) are on record for the 2025 Chevrolet Trailblazer. 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.

• 11014450Feb 18, 2025Other or unknown. 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".
• 11014574Feb 14, 2025Engine. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the Check Engine Lamp illuminated on Driver Information Center (DIC), with DTC P219A set.
• 11014303Feb 14, 2025Other or unknown. This Preliminary information communicates to the technician what to do when they encounter a service charging system message with a DTC P0621.
• 11014563Feb 13, 2025Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11014567Feb 12, 2025Transmission and drivetrain. This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
• 11014377Feb 12, 2025Exterior lighting. This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
• 11014277Feb 6, 2025Brakes, Forward collision avoidance. This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway.
• 11014291Feb 5, 2025Transmission and drivetrain. This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
• 11014230Jan 31, 2025Visibility (wipers, defrost, mirrors), Brakes, Wheels, Electrical system, Engine. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
• 11014171Jan 31, 2025Body and structure, Vehicle speed control. This service bulletin provides information on proper use of floor mats.
• 11013414Jan 31, 2025Other or unknown. This Preliminary information communicates a potential for dtc p0496 to fail due to damaged purge solenoid valve O-rings.
• 11014238Jan 30, 2025Body and structure, Other or unknown. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 11014233Jan 30, 2025Engine. 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.
• 11014239Jan 29, 2025Electrical system, Other or unknown. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
• 11013398Jan 29, 2025Other or unknown. This Preliminary information communicates to technicians that to seperate the case halves clean the mating surfaces and replace the gasket.
• 11014222Jan 28, 2025Electrical system, Other or unknown. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
• 11014170Jan 27, 2025Exterior lighting. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
• 11014013Jan 24, 2025Engine. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC).
• 11013453Jan 22, 2025Other or unknown. This Preliminary information communicates a potential for dtc p0496 to fail due to damaged purge solenoid valve O-rings.
• 11013445Jan 22, 2025Other or unknown. This Preliminary information communicates to the dealer the location of the rear child seat latch anchor locations.
• 11012972Jan 17, 2025Other or unknown. This Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.
• 11012961Jan 16, 2025Fuel system. This Preliminary information communicates a potential for dtc p0496 to fail due to damaged purge solenoid valve O-rings.
• 11012959Jan 16, 2025Other or unknown. This Preliminary information communicates to the technician the normal operation of the heated steering wheel during a remote start event.
• 11013147Jan 11, 2025Fuel system, Electrical system, Engine. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to he Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC).
• 11013892Jan 10, 2025Transmission and drivetrain. This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
• 11013069Jan 9, 2025Engine, Transmission and drivetrain, Electrical system. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 11012945Jan 9, 2025Transmission and drivetrain. This Preliminary information communicates diagnostic aids for a surge or fishbite concern
• 11012937Jan 8, 2025Other or unknown. This Preliminary information communicates to the techicians a diagnostic tip if a customer has a complaint of a whistle/wind noise at highway speeds.
• 11012929Jan 7, 2025Electrical system. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 11012930Jan 4, 2025Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11012692Dec 14, 2024Other or unknown. This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
• 11012691Dec 14, 2024Other or unknown. This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
• 11012690Dec 14, 2024Other or unknown. This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
• 11012849Dec 13, 2024Engine, Electrical system. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to he Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC).
• 11012189Dec 6, 2024Electrical system. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
• 11011805Dec 6, 2024Other or unknown, Electrical system. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
• 11011694Dec 6, 2024Lane departure, Other or unknown. This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct.
• 11011693Dec 6, 2024Other or unknown, Lane departure. This Preliminary information communicates how to recover the Image Processing Module.
• 11011690Dec 5, 2024Transmission and drivetrain. This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.
• 11012003Nov 27, 2024Visibility (wipers, defrost, mirrors), Other or unknown. This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.
• 11011989Nov 27, 2024Transmission and drivetrain. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
• 11011996Nov 25, 2024Other or unknown, Electrical system. This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
• 11011900Nov 22, 2024Engine. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
• 11011339Nov 21, 2024Transmission and drivetrain. This Preliminary information communicates possible transmission fluid leak in the torque converter housing area from loose pump bolts.
• 11011904Nov 18, 2024Transmission and drivetrain. This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.
• 11011709Nov 5, 2024Engine, Body and structure, Wheels, Other or unknown, Brakes. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
• 11011225Oct 29, 2024Engine, 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.
• 11011205Oct 28, 2024Steering, Transmission and drivetrain, Engine. This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
• 11011012Oct 23, 2024Transmission and drivetrain. This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves.
• 11011455Oct 22, 2024Electrical system. This Preliminary information communicates to the technician a diagnostic tip, to inspect the negative battery cable if they encounter an intermittent no crank/start or stall condition.

← All problems reported for the 2025 Chevrolet Trailblazer