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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

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
01-06-01-011N2023-07-13. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
23-NA-0732023-07-12. 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.
23-NA-1022023-07-11. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 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.
22-NA-2322023-07-11. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PUMP. This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump.
PIE0747B2023-06-21. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard information to inform dealership personal on elevated Warranty being seen on A/C compressors.
PIE0747A2023-06-21. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard information to inform dealership personal on elevated Warranty being seen on A/C compressors.
23-NA-0612023-06-21. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This informational bulletin advises the tech on how to check for possible exhaust leaks.
23-NA-0482023-06-21. 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.
17-NA-3742023-06-20. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
04-07-30-013E2023-06-19. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. 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.
19-NA-2182023-06-19. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
22-NA-1502023-06-05. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
N2323958302023-05-17. Service bulletin. ENGINE AND ENGINE COOLING. Customer Satisfaction Program - Certain vehicles may have a condition in which the overhead camshaft ladder assembly was mis-built and installed on the engine. Dealers will replace the engine.
PIP5874C2023-05-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This Preliminary information communicates that the exhaust backpressure valve is on a parts restriction..
PIE07472023-05-13. Service bulletin. EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ENGINE AND ENGINE COOLING. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards information to inform dealership personal on elevated Warranty being seen on A/C compressors.
23-NA-0482023-05-10. 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.
19-NA-2192023-05-06. Service bulletin. ENGINE AND ENGINE COOLING. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
23-NA-0712023-05-04. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Engine Control Module Service Update for MIL Illuminated in DIC with DTCs Set.
23-NA-0452023-05-04. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Engine RPO L3B P0299 Service Calibration.
PIE0737C2023-05-04. Service bulletin. ENGINE AND ENGINE COOLING. This engineering information (EI) closure ends the need for further information from technicians in regards to the Check Engine Lamp Illuminated on the Driver Information Center (DIC).
PI0281J2023-05-04. Service bulletin. POWER TRAIN; STEERING; STRUCTURE; SUSPENSION; ENGINE AND ENGINE COOLING. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
23-NA-0632023-05-03. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to clear out some crystals that may have formed in the DPF at freezing temperatures and how to clean out said debris.
20-NA-1322023-05-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
19-NA-2372023-05-03. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING. This service bulletin explains how to identify possible DEF system contamination.
23-NA-0612023-04-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING. This informational bulletin advises the tech on how to check for possible exhaust leaks.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.