2023 GMC Sierra 2500 Technical Service Bulletins

765 technical service bulletins (TSBs) are on record for the 2023 GMC Sierra 2500. 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.

• 10229673Jan 11, 2023Seats. Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for…
• 10231632Jan 9, 2023Fuel system. This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling…
• 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.
• 10231619Jan 4, 2023Engine cooling. This Preliminary information communicates that the exhaust backpressure valve is on a parts restriction.
• 10228912Dec 23, 2022Wheels. This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.
• 10228223Dec 23, 2022Equipment. Due to a current backorder situation and inclement weather affecting a large portion of the nation, vehicles in dealer inventory will be temporarily suspended in Investigate Vehicle History (IVH). IVH will be manually changed from an “Open” status to a “Closed” status. The detail screen in IVH will indicate that the IVH status will reopen on January 4th. Impacted vehicles without an Open field action may be…
• 10228907Dec 21, 2022Transmission and drivetrain. This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
• 10228906Dec 21, 2022Equipment. This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.
• 10228909Dec 20, 2022Transmission and drivetrain. This informational bulletin advises the tech to check if the trans cooler lines are twisted which may cause the customers concern.
• 10228170Dec 20, 2022Seats. Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for…
• 10230700Dec 16, 2022Equipment. This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
• 10227803Dec 16, 2022Equipment, Body and structure. Customer Satisfaction Program. Certain vehicles listed above were manufactured and shipped to the dealer without the hood insulator. Dealers are to inspect, and if necessary, install the hood insulator.
• 10228893Dec 15, 2022Electrical system, Equipment, Engine cooling. This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
• 10230696Dec 14, 2022Steering. This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
• 10230695Dec 14, 2022Equipment. This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM.
• 10228888Dec 14, 2022Engine cooling. This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
• 10228886Dec 14, 2022Engine 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.
• 10227782Dec 14, 2022Seats. Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for…
• 10228863Dec 13, 2022Engine cooling, Transmission and drivetrain. This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
• 10228901Dec 12, 2022Electrical system, Equipment. This service bulletin provides repair information to correct a customer concern of Rear View Camera Display Gridlines Dim.
• 10230689Dec 8, 2022Engine cooling, Fuel system. This Preliminary information communicates an engineering investigation for injector caused misfires.
• 10228192Dec 7, 2022Equipment. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 10227799Dec 7, 2022Equipment. This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
• 10228190Dec 6, 2022Electrical system, Equipment. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using Samsung Phones at Offset Positions.
• 10228188Dec 5, 2022Brakes. This informational bulletin provides an optional repair using a different set of brakes that may correct the customers concern of Early Brake Wear in Harsh Environments.
• 10227160Dec 5, 2022Body and structure. Customer Satisfaction Program. Certain vehicles listed above were manufactured and shipped to the dealer without the hood insulator. Dealers are to install the hood insulator.
• 10227402Nov 30, 2022Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 10227401Nov 30, 2022Equipment, Electrical system. This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
• 10227674Nov 29, 2022Wheels, Tires. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
• 10227673Nov 29, 2022Equipment. This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
• 10226543Nov 22, 2022Seats. Customer Satisfaction Program. Certain vehicles, equipped with ventilated seats (RPO KQV), may have been built with a non-functional driver’s seat cushion ventilation blower. Dealers are to replace the non-functional driver’s seat cushion ventilation blower with a functioning assembly.
• 10227382Nov 21, 2022Electrical system, Equipment. This informational bulletin provides information on Information on Order/Content Change: Wireless Phone Charging.
• 10226541Nov 21, 2022Steering. Customer Satisfaction Program - Certain vehicles, equipped with Active Hydraulic Assist (RPO NV8), may have a condition in which the steering wheel may bind while making sharp turns. Dealers will replace the steering gear.
• 10227291Nov 18, 2022Electrical system, Equipment. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using Samsung Phones at Offset Positions.
• 10227261Nov 18, 2022Engine cooling. This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
• 10227241Nov 18, 2022Transmission and drivetrain, Engine cooling. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
• 10227229Nov 18, 2022Transmission and drivetrain. This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
• 10227252Nov 17, 2022Transmission and drivetrain. This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair.
• 10227058Nov 9, 2022Transmission and drivetrain. This information advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF causing the customers concern.
• 10227056Nov 9, 2022Engine cooling. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
• 10227052Nov 7, 2022Body 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).
• 10227041Nov 7, 2022Engine cooling, Fuel system. This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
• 10225749Oct 31, 2022Engine cooling. This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the customer.
• 10225719Oct 26, 2022Engine cooling. This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
• 10225615Oct 19, 2022Electrical system. This service bulletin provides information on Module Harvesting.
• 10226382Oct 18, 2022Brakes. This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
• 10226381Oct 18, 2022Engine cooling. This Preliminary information communicates the possibility of a normal balance shaft gear whine noise to exist in the engine and is normally most audible at or above 1500rpm. This noise does not create any reliabilty or durability issues with the engine.
• 10226380Oct 17, 2022Equipment. This Preliminary information communicates that the EGT sensors are on a parts restriction.
• 10226379Oct 17, 2022Back-over prevention (rear camera). This Preliminary information communicates that a customer may notice that the gridlines on the backup camera are very dim. They may mention that this occurred after an OTA update. The dealer technician is advised to perform no repairs. The technician is advised that engineering is looking into a resolution and the resolution will be communicated through this PI or a bulletin when it becomes available.
• 10226378Oct 14, 2022Engine cooling. This Preliminary information communicates that the exhaust particulate matter sensor is on a parts restriction.

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