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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
20-NA-2032024-07-30. Service bulletin. ENGINE. This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
17-NA-1572024-07-30. Service bulletin. ENGINE. This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter.
24-NA-1242024-07-26. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp Illuminated, Stall, or No Start with DTC P2534, U3023, P0700, P129D, P10DB (w/ L5P Diesel), P103B, P17E0.
23-NA-0022024-07-22. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This technical bulletin provides repair information to correct a customer concern of Charge Air Cooler (CAC) Icing, Check Engine Lamp Illuminated, Possible P0299, P2227, and/or P0300 DTCs Set.
24-NA-1232024-07-18. Service bulletin. ENGINE. This service bulletin advises the technician that the purge pump part number has changed and limited supply.
24-NA-1202024-07-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Information on Malfunction Indicator Lamp (MIL) Illuminated - Multiple DTCs Set.
24-NA-0782024-07-18. Service bulletin. ELECTRICAL SYSTEM; ENGINE; POWER TRAIN. This bulletin advises the tech to replace the starter and not the trans if grinding or growling is heard from the transmission area.
23-NA-1022024-07-17. Service bulletin. ENGINE; ELECTRICAL SYSTEM; POWER TRAIN. 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.
16-NA-3832024-07-16. Service bulletin. ENGINE; FUEL/PROPULSION SYSTEM. This service 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.
24-NA-0912024-07-11. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This technical bulletin provides repair information to load L3B Turbocharger Wastegate Service Calibration to correct a customer concern of a screeching noise on engine shutdown.
19-NA-2182024-06-28. Service bulletin. ENGINE. This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
18-NA-1252024-06-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This service bulletin provides information for engine oil life monitor operation calculation.
PIE0791A2024-06-25. Service bulletin. ELECTRICAL SYSTEM; ENGINE; FUEL/PROPULSION SYSTEM. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Check Engine Lamp illuminated on Driver Information Center (DIC), and having DTCs P0202, P0203 Set.
24-NA-0782024-06-24. Service bulletin. ELECTRICAL SYSTEM; ENGINE; POWER TRAIN. This bulletin advises the tech to replace the starter and not the trans if grinding or growling is heard from the transmission area.
23-NA-0322024-06-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM. The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure.
PIE07912024-06-18. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Check Engine Lamp illuminated on Driver Information Center (DIC), and having DTC’s P0202, P0203 Set.
22-NA-1282024-06-18. Service bulletin. ENGINE. This technical bulletin provides a procedure to test the intake manifold for any possible leaks that may cause the customers concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P0172, P026D, P2459, and/or P2A00 Set.
PIE0781B2024-06-18. Service bulletin. ENGINE. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Check Engine Lamp illuminated on Driver Information Center (DIC) and refer to PIP5865 for further diagnosis.
18-NA-1252024-06-08. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This service bulletin provides information for engine oil life monitor operation calculation.
PIE0781A2024-05-31. Service bulletin. ENGINE. 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).
22-NA-1502024-05-28. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
15-00-89-004G2024-05-15. Service bulletin. ENGINE; SUSPENSION; POWER TRAIN. This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
24-NA-0702024-04-27. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides a procedure to program the ECM if the DTC is set and/or the start/stop doesn't restart after a stop.
N2324134302024-04-24. Service bulletin. ENGINE AND ENGINE COOLING. Customer Satisfaction Program - Certain vehicles may have a condition in which the engine lifter bores may be oversized. Dealers are to replace the engine.
PIP5863B2024-04-15. Service bulletin. EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To clear the code to see if it resets current. If the code resets it advises to utilize Strategy Based Diagnosis. If the code does not reset, it advises to release the vehicle to the customer and that GM is aware of this issue.

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