2023 Chevrolet Blazer Technical Service Bulletins

575 technical service bulletins (TSBs) are on record for the 2023 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.

• 10237937Jun 8, 2023Engine cooling. This technical bulletin provides a procedure to align the exhaust causing a vibration.
• 10237846Jun 7, 2023Engine cooling, Transmission and drivetrain. This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use.
• 10237844Jun 1, 2023Electronic stability control, Electrical system, Brakes, Engine cooling…. This service bulletin provides a procedure to add deadener to the batter tray bracket to correct customer concerns of a Service Engine Soon (SES), Reduced Power, Service Brake, Reduced Steering and/or Stabilitrak Message Illuminated on DIC, multiple DTCs.
• 10237843Jun 1, 2023Electrical system, Equipment, Back-over prevention (rear camera). This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D.
• 10237841Jun 1, 2023Equipment. This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
• 10237692May 31, 2023Equipment. This Preliminary information communicates that during PDI it may be discovered there is no front license plate bracket contained in the loose parts. The dealer is advised that this is not a shipping issue and the part should be ordered with a SPAC case if necessary.
• 10237387May 30, 2023Transmission and drivetrain. This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
• 10237684May 24, 2023Lane departure, Brakes, Vehicle speed control. This Preliminary information communicates that a vehicle may come to the dealer with concerns of various warning messages, possibly the door locks cycling, passive entry inoperative or other concerns. The technician is instructed to inspect G401 for loose or missing terminals and to inspect G405.
• 10237355May 23, 2023Transmission and drivetrain, Vehicle speed control. This service bulletin provides a procedure to correct a customer concern of Shudders or Shakes at Low Speeds.
• 10237349May 22, 2023Equipment. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 10237340May 22, 2023Wheels. This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
• 10237319May 18, 2023Brakes, Electrical system. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
• 10237267May 17, 2023Electrical system, Equipment. This technical bulletin provides a procedure for rear park assist button replacement due to some vehicles that were built with a ride control switch that still contains the rear park assist button on it.
• 10237223May 16, 2023Equipment, Electrical system. This technical bulletin provides a procedure for rear park assist button replacement due to some vehicles that were built with a ride control switch that still contains the rear park assist button on it.
• 10236344May 15, 2023Body and structure, Electrical system. This service bulletin provides repair information to correct a customer concern of a water leak into interior, and/or various electrical concerns, liftgate actuator noisy or inoperative.
• 10236325May 12, 2023Seats. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to having a squeak, rattle and/or creak type noise heard from the second row-seat area.
• 10237654May 11, 2023Equipment. This Preliminary information communicates the direction a technician needs to take when DTC P30EF is set.
• 10237638May 4, 2023Vehicle speed control, Equipment, Brakes. This Preliminary information communicates that a vehicle may come to the dealer with a complaint of a dead battery or cruise control inoperative. The technician is instructed to actuate the brake pedal multiple times in an attempt to duplicate the concern. If it can be duplicated a BPP learn should be performed and if it is duplicated after that, the brake pedal assembly should be replaced. If the concern cannot be…
• 10236072May 3, 2023Exterior lighting. This informational bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
• 10236041May 3, 2023Exterior lighting. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
• 10237635May 2, 2023Body and structure. This Preliminary information communicates that during PDI it may be discovered there is no front license plate bracket contained in the loose parts. The dealer is advised that this is not a shipping issue and the part should be ordered with a SPAC case if necessary.
• 10235799Apr 27, 2023Wheels. This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
• 10235798Apr 25, 2023Other or unknown. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10235802Apr 24, 2023Engine cooling. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
• 10235716Apr 21, 2023Wheels. This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
• 10235769Apr 19, 2023Electrical system, Engine cooling. This technical bulletin provides a procedure to add deadener to the batter tray bracket to correct customer concerns of a Service Engine Soon (SES), Reduced Power, Service Brake, Reduced Steering and/or Stabilitrak Message Illuminated on DIC, multiple DTCs.
• 10235763Apr 19, 2023Equipment, Electrical system. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using iPhone and Samsung Phones at Offset Positions.
• 10235713Apr 19, 2023Equipment. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
• 10235663Apr 14, 2023Transmission and drivetrain. This technical bulletin provides a procedure to correct the condition of Shudders or Shakes at Low Speeds.
• 10235621Apr 11, 2023Transmission and drivetrain. This service bulletin provides a procedure to locate a possible shaft not inserted into the differential carrier that may have popped out to correct customer concerns of Transmission Grinds When Put into Gear, Slipping, No Movement When Shifted into Drive or Reverse.
• 10235617Apr 11, 2023Electrical system, Brakes. This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely set for eBoost applications.
• 10236141Apr 6, 2023Electrical system. This Preliminary information communicates that a vehicle may come to the dealer with a complaint of a dead battery or cruise control inoperative. The technician is instructed to actuate the brake pedal multiple times in an attempt to duplicate the concern. If it can be duplicated a BPP learn should be performed and if it is duplicated after that, the brake pedal assembly should be replaced. If the concern cannot be…
• 10234621Apr 6, 2023Other or unknown, Equipment. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10234620Apr 6, 2023Equipment. This service bulletin provides information on proper use of floor mats.
• 10234619Apr 6, 2023Transmission and drivetrain. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 10235561Apr 4, 2023Steering, Engine cooling, Body and structure, Transmission and drivetrain…. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
• 10235398Apr 4, 2023Equipment, Electrical system, Engine cooling. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 10236130Apr 3, 2023Other or unknown. This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern.
• 10235405Apr 3, 2023Electrical system, Equipment. 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.
• 10234186Mar 31, 2023Equipment, Back-over prevention (rear camera), Electrical system. This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues - DTCs B395A, B395B, B395C, B101E, B101D.
• 10234166Mar 28, 2023Equipment, Electrical system. This service bulletin provides repair information to correct a customer concern of Instrument Cluster DIC Displays Programming in Progress Message and Progress Bar.
• 10234154Mar 24, 2023Equipment, Electrical system. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using iPhone and Samsung Phones at Offset Positions.
• 10234163Mar 23, 2023Equipment, Electrical system. This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.
• 10234141Mar 23, 2023Engine cooling. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
• 10234147Mar 20, 2023Equipment, Body and structure. This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
• 10234144Mar 20, 2023Engine cooling, Electrical system, Wheels, Fuel system. This informational 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.
• 10234224Mar 17, 2023Equipment. This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
• 10234110Mar 17, 2023Engine cooling. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
• 10233969Mar 17, 2023Engine cooling. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
• 10233835Mar 17, 2023Engine cooling. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

← All problems reported for the 2023 Chevrolet Blazer