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.

• 10233830Mar 17, 2023Engine cooling. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
• 10233829Mar 17, 2023Engine cooling. This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
• 10234222Mar 16, 2023Equipment. 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.
• 10234107Mar 16, 2023Electrical system, Equipment. This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
• 10233831Mar 16, 2023Engine cooling. This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
• 10234219Mar 15, 2023Engine cooling. This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
• 10234120Mar 15, 2023Engine cooling, Electrical system. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Check Engine Lamp illuminated on the Driver Information Center (DIC).
• 10234117Mar 15, 2023Equipment, Electrical system. This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.
• 10234106Mar 15, 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.
• 10233358Mar 10, 2023Electrical system, Equipment. This service bulletin provides information on AGM batteries that require less frequent charging in storage.
• 10233338Mar 8, 2023Tires, Wheels. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10232469Feb 27, 2023Equipment. This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.
• 10232835Feb 24, 2023Forward 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".
• 10232293Feb 24, 2023Electrical system, Equipment. This service bulletin provides repair information to correct a customer concern of Instrument Cluster DIC Displays Programming in Progress Message and Progress Bar.
• 10232829Feb 22, 2023Electrical system. This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
• 10232458Feb 22, 2023Back-over prevention (rear camera), Equipment. This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
• 10232040Feb 22, 2023Electrical system. Service Update- Certain vehicles may have a condition where the service rear park assist warning is illuminated. Dealers are to perform setup and configuration on the instrument cluster.
• 10232287Feb 21, 2023Equipment. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10232288Feb 20, 2023Equipment. This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
• 10232824Feb 17, 2023Steering, Back-over prevention (rear camera). This Preliminary information communicates that a customer may come to the dealer complaining of a whining noise from the steering system. The dealer is advised not to perform any repairs at this time. Engineering is working on a repair for this concern. When a repair is available a bulletin will be released.
• 10232283Feb 17, 2023Body and structure, Visibility (wipers, defrost, mirrors), Other or unknown. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
• 10232143Feb 17, 2023Equipment. This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
• 10232275Feb 16, 2023Transmission and drivetrain. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
• 10232815Feb 15, 2023Engine cooling, Back-over prevention (rear camera). This Preliminary information communicates that a rotational clicking noise heard after engine shut down is a design characteristic and no repairs should be attempted.
• 10232157Feb 15, 2023Engine cooling, 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.
• 10232136Feb 15, 2023Exterior lighting. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
• 10232153Feb 13, 2023Brakes, Electrical system. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
• 10232803Feb 8, 2023Electrical system. This Preliminary information communicates to dealer that GM is aware of an issue with Apple Carplay, and is working on a resolution.
• 10232801Feb 7, 2023Transmission and drivetrain. This Preliminary information communicates possible transmission fluid leak underneath the vehicle that may be root cause as a trans not being cleaned after production.
• 10232794Feb 7, 2023Electrical system, Vehicle speed control. 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…
• 10232076Feb 7, 2023Equipment, Electrical system. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using Samsung Phones at Offset Positions.
• 10232793Feb 6, 2023Back-over prevention (rear camera). This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.
• 10232072Feb 6, 2023Electrical system, Equipment. This service bulletin provides repair information to correct various functional concerns of the Instrument Cluster and DTC U0155.
• 10231893Feb 1, 2023Engine cooling, Electrical system. This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
• 10231519Jan 31, 2023Tires, Wheels, Equipment. This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
• 10231518Jan 31, 2023Equipment, Tires, Wheels. This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.
• 10231521Jan 30, 2023Brakes. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
• 10231672Jan 27, 2023Engine cooling. This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
• 10231663Jan 25, 2023Equipment. This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
• 10231661Jan 24, 2023Equipment. 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.
• 10231652Jan 23, 2023Equipment. This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
• 10231302Jan 20, 2023Equipment. This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
• 10231494Jan 17, 2023Electrical system, Lane departure, Forward collision avoidance, Equipment. This engineering information (EI) closure ends the need for gathering information from technicians in regards to a Service Front Camera message on the driver information center (DIC), having the loss of the front camera features and/or its functionality.
• 10231374Jan 17, 2023Equipment. This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
• 10230612Jan 13, 2023Electrical system. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
• 10231637Jan 10, 2023Equipment. This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution
• 10231628Jan 6, 2023Engine cooling. This Preliminary information communicates the possibility of dtc p0299 due to a stuck open Charge Air Bypass Valve
• 10230606Jan 6, 2023Transmission and drivetrain. This engineering information (EI) closure ends the need for gathering information from technicians in regards to having Loss of Propulsion, Loss of Traction and/or Grinding Type Noise Heard After Loss of Traction and/or Vehicle Towed Due to Half Shaft Disconnection.
• 10230603Jan 6, 2023Engine cooling, Electrical system. This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
• 10231624Jan 5, 2023Engine cooling, Transmission and drivetrain. This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. The technician is instructed to inspect a wiring harness for chaffing on a bracket which is located beneath the battery tray, at a transmission stud and at the transmission oil cooler line bracket.

← All problems reported for the 2023 Chevrolet Blazer