2023 Chevrolet Tahoe Technical Service Bulletins

1,081 technical service bulletins (TSBs) are on record for the 2023 Chevrolet Tahoe. 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.

• 10239177Jun 26, 2023Engine cooling. This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher. Engineering is working on a fix.
• 10239173Jun 21, 2023Suspension. This Preliminary information communicates an issue with a clunk pop squeak type noise from the rear of the vehicle and dealerships are to inspect the torque of the rear sway bar links.
• 10239170Jun 20, 2023Visibility (wipers, defrost, mirrors). This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher. Engineering is working on a fix.
• 10239169Jun 19, 2023Electronic stability control, Suspension. This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.
• 10239167Jun 19, 2023Equipment. This Preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is being investigated by GM Engineering.
• 10239057Jun 16, 2023Electrical system, Equipment. This service bulletin provides repair information to dealers to Replace Video Processing Module (VPM) When Programming Fails.
• 10239048Jun 16, 2023Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 10239161Jun 14, 2023Visibility (wipers, defrost, mirrors). This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher. Engineering is working on a fix.
• 10239050Jun 14, 2023Equipment, Electrical system. This service bulletin provides repair information to correct a customer concern of Black Radio Display Screen (Triangle and Camera with Slash Through it) with DTCs B1A62 82 and 86 Setting Current in Video Processing Module (VPM).
• 10239046Jun 14, 2023Transmission and drivetrain, Engine cooling. This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump.
• 10238190Jun 14, 2023Equipment. This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
• 10239158Jun 13, 2023Transmission and drivetrain. This Preliminary information communicates the possibility of the reaction carrier as root cause for the noise.
• 10239053Jun 12, 2023Electrical system, Engine cooling, Transmission and drivetrain. This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation, Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
• 10239039Jun 12, 2023Equipment, Electrical system. This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
• 10239153Jun 9, 2023Equipment. This Preliminary information communicates to dealers that the Customers may notice audio that is choppy or delayed, GM engineering is aware of the issue and working on a resolution.
• 10239152Jun 9, 2023Suspension, Electronic stability control. This Preliminary information communicates the proper component naming and labor operation codes for the air leveling system RPO F47and the Electronic Suspension Control System RPO Z95
• 10237960Jun 8, 2023Equipment. This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
• 10237961Jun 7, 2023Body and structure. This engineering information (EI) closure ends the need for further information from the field in regard to water leaking around the interior roof/headliner area.
• 10237939Jun 7, 2023Electrical system, Equipment. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using iPhone and Samsung Phones at Offset Positions.
• 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.
• 10239146Jun 1, 2023Equipment. This Preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is being investigated by GM Engineering.
• 10237845Jun 1, 2023Equipment, Electrical system. This service bulletin provides repair information to correct a customer concern of Black Radio Display Screen (triangle and camera with the slash through it) with DTCs B1A62 82 and 86 setting current in Video Processing Module (VPM).
• 10237842Jun 1, 2023Engine cooling. This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
• 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).
• 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.
• 10237375May 26, 2023Body and structure, Equipment. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the assist step totally being inoperative and not functioning with door operation or radio center stack setting.
• 10237677May 22, 2023Electrical system, Other or unknown, Air bags. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system…
• 10237676May 22, 2023Equipment. This Preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is being investigated by GM Engineering.
• 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).
• 10237245May 17, 2023Brakes. This bulletin provides a replacement procedure for brake pads due to squealing, per Brake Squeal Noise at Low Speeds.
• 10237232May 17, 2023Fuel system, Electrical system, Engine cooling. This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
• 10236355May 17, 2023Transmission and drivetrain. Service Update. Certain vehicles may have a condition where the transmission reaction carrier (an internal component) may have been damaged during assembly. Dealers are to replace the transmission.
• 10237663May 16, 2023Other or unknown. This Preliminary information communicates how to change a regular vehicle to fleet mode that was not built with the option.
• 10236346May 15, 2023Electrical system, Equipment. This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y167 – Multiple Updates for IOK.
• 10237657May 12, 2023Suspension. This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacting the grill shutters as they open and close.
• 10237653May 11, 2023Electronic stability control, Transmission and drivetrain, Electrical system…. This Preliminary information communicates an issue with a SES MIL on and DTC U0139 set in the ECM. Dealers are to cycle the power to the suspension control module to correct this issue.
• 10237652May 11, 2023Equipment. This Preliminary information communicates Diagnostic Tips When Having Difficulties Programming Or Adding Key Fobs / Transmitters.
• 10237651May 11, 2023Back-over prevention (rear camera). This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 10236073May 5, 2023Body and structure, Equipment. This technical bulletin provides multiple procedures and information in regard to possible waterleaks.
• 10236071May 5, 2023Seats, Electrical system, Air bags. This technical bulletin provides a procedure to correct the condition of Service Restraint System Message / Air Bag Warning MIL / DTC B14DC Set.
• 10236054May 5, 2023Electrical system, Engine cooling. This informational bulletin advises the tech on where possible issues may be found when dealing with the dtcs that are set.
• 10236051May 4, 2023Body and structure. This technical bulletin provides a step by step procedure to replace the pressure relief valve due to Flutter Noise from Right Rear Corner of the Vehicle.
• 10236041May 3, 2023Exterior lighting. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
• 10236173Apr 28, 2023Electronic stability control, Electrical system, Transmission and drivetrain…. This Preliminary information communicates an issue with a SES MIL on and DTC U0139 set in the ECM. Dealers are to cycle the power to the suspension control module to correct this issue.
• 10236172Apr 28, 2023Latches, locks and linkages, Equipment. This Preliminary information communicates where to find the back antenna for learning new key fobs.
• 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.
• 10236169Apr 26, 2023Equipment, Air bags, Transmission and drivetrain, Electrical system. This Preliminary information communicates an issue during start up that the following symptoms occur: - Service Safety Restraints System Message - Sunroof Inoperative - Sunshade Lights Inoperative - Dome Lights Inoperative - Power Liftgate Inoperative when using switch in overhead console - DTCs U1121 set in the BCM and B1A7A set in the Restraints Module Dealers are to replace the overhead roof console with a new…
• 10236168Apr 25, 2023Electrical system. This Preliminary information communicates an issue with high resistance in the glass breakage loop that could cause a dead battery or unwanted theft alarm. Dealers are to inspect the glass breakage loop.
• 10236167Apr 25, 2023Other or unknown, Electrical system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system…

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