2023 Chevrolet Suburban Technical Service Bulletins

664 technical service bulletins (TSBs) are on record for the 2023 Chevrolet Suburban. 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.

• 11017050Mar 20, 2025Visibility (wipers, defrost, mirrors). This bulletin provides information on Wiper Blade Maintenance Tips.
• 11017016Mar 14, 2025Wheels. This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
• 11017031Mar 12, 2025Electrical system. This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
• 11016944Mar 11, 2025Body and structure. This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
• 11015642Mar 11, 2025Brakes. This Preliminary information communicates an issue with ABS SES MIL / Service Brake System / Service StabiliTrak / BSCM DTC P0606 P0562 and dealers to perform additional battery and connection testing.
• 11015584Mar 7, 2025Other or unknown. 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.
• 11016912Mar 5, 2025Body and structure, 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 the power sliding console being inoperative.
• 11015606Mar 5, 2025Suspension, Body and structure. This bulletin provides a service procedure to replace the sway bar bracket retainers if found the cause of the clunking noise from front of vehicle.
• 11015567Mar 5, 2025Other or unknown. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 11016942Mar 4, 2025Engine. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
• 11015248Mar 1, 2025Body and structure. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the power sliding console being inoperative.
• 11015244Feb 27, 2025Body and structure. This engineering information (EI Lite) is requesting technicians use the FPR Process in regards to rocker moldings experiencing poor fit, loose parts, broken clips and/or warpage resulting in a warranty replacement.
• 11014636Feb 27, 2025Suspension. This Preliminary information communicates a tip when diagnosing an inoperative air leveling suspension system and to repair any loss of comm DTC's with the power window motors first.
• 11014635Feb 27, 2025Suspension. This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system or internal issue with compressor assembly.
• 11015215Feb 26, 2025Visibility (wipers, defrost, mirrors). This bulletin provides information on Wiper Blade Maintenance Tips.
• 11015409Feb 25, 2025Suspension, Wheels. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
• 11015387Feb 22, 2025Other or unknown. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 11014458Feb 21, 2025Other or unknown. This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.
• 11015382Feb 20, 2025Body and structure. This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
• 11014577Feb 18, 2025Steering. This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
• 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".
• 11014602Feb 17, 2025Engine, Electrical system. This bulletin provides information to the tech on how to diagnosis the EGR system from possible issue that may cause the DTCs to set and cause the customers concern of a MIL Illuminated.
• 11014378Feb 15, 2025Engine, Transmission and drivetrain, Electrical system. 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.
• 11014305Feb 14, 2025Other or unknown. This Preliminary information communicates if a customer and service tech encounter this concern, it will be fixed with a software update and the vehicle can still be driven in the meantime.
• 11014565Feb 13, 2025Transmission and drivetrain. This bulletin helps aid the tech in possible noise that may be normal or abnormal depending on the concern noted.
• 11014563Feb 13, 2025Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 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.
• 10252990Apr 4, 2024Electrical system, Equipment. This technical bulletin provides repair information to correct a customer concern of a Service Drivers Assist Message Illuminated in DIC with DTC B2BA1 Set.
• 10252988Apr 2, 2024Equipment, Electrical system. This technical bulletin provides repair information to correct a customer concern of the E88 Front Floor Console Bin Lamp Inoperative.
• 10252976Apr 2, 2024Electrical system, Transmission and drivetrain. This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure of the valve body.
• 10252735Mar 28, 2024Electrical system. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
• 10252842Mar 27, 2024Electrical system, Equipment. This technical bulletin provides repair information to correct a customer concern of a Service Drivers Assist Message Illuminated in DIC with DTC B2BA1 Set.
• 10252745Mar 27, 2024Body and structure. This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
• 10252774Mar 26, 2024Electrical system, Equipment. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 10252841Mar 25, 2024Equipment, Electrical system. This technical bulletin provides repair information to correct a customer concern of the E88 Front Floor Console Bin Lamp Inoperative.
• 10252778Mar 25, 2024Transmission and drivetrain. This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.
• 10252126Mar 21, 2024Equipment. This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
• 10252125Mar 21, 2024Engine cooling. This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
• 10252124Mar 21, 2024Body and structure. This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
• 10252117Mar 18, 2024Transmission and drivetrain, Electrical system. This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure you the valve body.
• 10252107Mar 18, 2024Equipment, Fuel system. This technical bulletin provides a procedure replace the tappet that is located on the fuel door.
• 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.
• 10251909Mar 11, 2024Electrical system, Engine cooling, Transmission and drivetrain. This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure.
• 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).
• 10251638Mar 7, 2024Fuel system. This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate.
• 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.
• 10251513Mar 1, 2024Other or unknown. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10251727Feb 29, 2024Electrical system. This Preliminary information communicates to technicians that a calibration to correct a P138C is forthcoming and to not attempt repairs.
• 10251723Feb 28, 2024Suspension. This Preliminary information communicates a tip when diagnosing an inoperative air leveling suspension system and to repair any loss of comm DTC's with the power window motors first.

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