Service bulletins for the 2023 GMC Sierra
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1426 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIT5551N | 2024-03-18. Service bulletin. FORWARD 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". |
|---|---|
| PIT6054B | 2024-03-18. Service bulletin. STRUCTURE:BODY:TAILGATE. This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with passive entry. |
| PIC6486D | 2024-03-18. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution. |
| PIT5895C | 2024-03-18. Service bulletin. STRUCTURE:BODY:TAILGATE. This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the inner tailgate. |
| PIT5479F | 2024-03-18. Service bulletin. SERVICE BRAKES. This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed. |
| PIT4506G | 2024-03-18. Service bulletin. TIRES. This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered. |
| 24-NA-046 | 2024-03-15. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass. |
| 24-NA-043 | 2024-03-15. Service bulletin. FUEL SYSTEM, DIESEL. This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate. |
| 24-NA-040 | 2024-03-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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. |
| N232409730 | 2024-03-13. Service bulletin. POWER TRAIN. Customer Satisfaction Program: Certain vehicles may have pinion gears that have low core and surface hardness. Dealers are to replace the transmission. |
| PIE0781 | 2024-03-07. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING; 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 Check Engine Lamp illuminated on Driver Information Center (DIC). |
| 17-NA-073 | 2024-03-07. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides information regarding the field action courtesy transportation policy. |
| 24-NA-027 | 2024-03-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This technical bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map Module (HDLM) - SuperCruise Unavailable. |
| 23-NA-169 | 2024-03-06. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides repair information to correct a customer concern of the rearview driver information camera intermittent in low light conditions - replace camera. |
| 23-NA-112 | 2024-03-06. Service bulletin. STRUCTURE:BODY:TAILGATE; ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES. This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. |
| 23-NA-073 | 2024-03-06. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister. |
| 22-NA-182 | 2024-03-06. Service bulletin. POWER TRAIN. This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature. |
| 24-NA-027 | 2024-02-29. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map Module (HDLM) - SuperCruise Unavailable. |
| 24-NA-020 | 2024-02-29. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set. |
| 23-NA-048 | 2024-02-29. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides a procedure to replace the rear crankshaft seal to correct a customer concern of an oil leak from the center of the vehicle. |
| 22-NA-074 | 2024-02-29. Service bulletin. ENGINE AND ENGINE 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. |
| 21-NA-238 | 2024-02-29. Service bulletin. POWER TRAIN. This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. |
| 24-NA-027 | 2024-02-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This technical bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map Module (HDLM) - SuperCruise Unavailable. |
| 24-NA-020 | 2024-02-27. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set. |
| 23-NA-185 | 2024-02-23. Service bulletin. STEERING; EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN. This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.