2023 Chevrolet Suburban 1500 Technical Service Bulletins

615 technical service bulletins (TSBs) are on record for the 2023 Chevrolet Suburban 1500. 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.

• 11013468Jan 24, 2025Other or unknown. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 11013463Jan 24, 2025Other or unknown. This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
• 11013242Jan 17, 2025Brakes, Electrical system. This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
• 11012971Jan 17, 2025Other or unknown. This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle.
• 11013269Jan 16, 2025Body and structure, Seats, Engine, Steering, Electrical system. This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
• 11013255Jan 15, 2025Electrical system, Engine. This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
• 11013092Jan 10, 2025Other or unknown, Electrical system. This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y175 – Multiple Updates for IOK.
• 11013082Jan 10, 2025Electrical system, Engine. This bulletin advises the technician that if the code sets, verify the sensor then inspect the engine oil pump for a sticking valve that may cause the MIL to illuminate.
• 11012968Jan 10, 2025Other or unknown. This Preliminary information communicates recovery procedure after return to dealer message.
• 11012967Jan 10, 2025Other or unknown. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 11012966Jan 10, 2025Other or unknown. This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
• 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.
• 11013027Jan 9, 2025Engine. This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the customer.
• 11012943Jan 9, 2025Transmission and drivetrain. This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
• 11013070Jan 8, 2025Engine. 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.
• 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.
• 11013031Jan 3, 2025Brakes. This technical bulletin provides a procedure to inform drivers that under certain driving conditions such as hilly or mountainous roads accompanied with frequent braking, that the original equipment front brake pads may wear prematurely.
• 11012908Dec 21, 2024Other or unknown. This service bulletin provides information for customers/dealers/technicians on Normal Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Camera Display.
• 11012247Dec 19, 2024Brakes. This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
• 11012907Dec 18, 2024Engine. This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
• 11012857Dec 17, 2024Transmission and drivetrain. This technical bulletin provides a procedure to replace the rear diff fluid to correct the rear clutches from chattering, which create a moan type noise.
• 11012023Dec 17, 2024Other or unknown, Back-over prevention (rear camera). This Preliminary information communicates with dealers a diagnostic aid for unwanted chime from front park assist sensor harness chaffing.
• 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).
• 11011890Dec 14, 2024Suspension. This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 caused by a pinched air inlet hose to the suspension compressor air leveling system.
• 11011885Dec 14, 2024Other or unknown, Electrical system, Fuel system. This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
• 11011872Dec 13, 2024Other or unknown, Engine, Electrical system. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 11012696Dec 11, 2024Electrical system, Engine, Fuel system. This service bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Malfunction Indicator Lamp (MIL) Illuminated – DTC P023F or P129F Set.
• 11011867Dec 11, 2024Other or unknown, Back-over prevention (rear camera). This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the customers complaint. A software update will be available to repair these false DTC's
• 11011771Dec 11, 2024Suspension. This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.
• 11011857Dec 10, 2024Electrical system, Other or unknown. This Preliminary information communicates Diagnostic Tips When Having Difficulties Programming Or Adding Key Fobs / Transmitters.
• 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.
• 11011773Dec 5, 2024Suspension. 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
• 11011689Dec 5, 2024Other or unknown. This Preliminary information communicates Engineering is investigating a no audio issue.
• 11011684Dec 4, 2024Electrical system, Other 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.
• 11011682Dec 3, 2024Other or unknown. This Preliminary information communicates recovery procedure after return to dealer message.
• 11012009Nov 27, 2024Transmission and drivetrain. This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern noted.
• 11011989Nov 27, 2024Transmission and drivetrain. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
• 11011990Nov 26, 2024Wheels, Brakes. This service bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customer concern of wheel clicking.
• 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.
• 11011965Nov 23, 2024Electrical system, Other or unknown. This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y175 – Multiple Updates for IOK.
• 11011911Nov 22, 2024Engine. This bulletin provides diagnostic information when checking the exhaust system for leaks.
• 11011900Nov 22, 2024Engine. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
• 11011337Nov 21, 2024Other or unknown. This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
• 11011335Nov 21, 2024Back-over prevention (rear camera), Forward collision avoidance. This Preliminary information communicates information that Engineering is aware of a concern where the collision / detection alert changes from audible beep to haptic feedback on its own and are working on a repair.

← All problems reported for the 2023 Chevrolet Suburban 1500