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Service bulletins for the 2023 Chevrolet Silverado

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.

1510 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
PIE0804A2024-12-04. Service bulletin. ENGINE. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to a Chirp, Squeal, and/or Whine Type Noise Heard from Front of Vehicle During a Cold Start and/or While in Operation.
23-NA-0482024-12-03. Service bulletin. ENGINE. This service bulletin provides a procedure to replace the rear crankshaft seal ito correct a customer concern of an oil leak from the center of the vehicle.
24-NA-1962024-11-19. Service bulletin. ENGINE. This informational bulletin advises the tech and the customer of a normal DEF operation while under high load conditions and when the time is right to fill the DEF at that time frame.
23-NA-0732024-11-16. Service bulletin. ENGINE. 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.
03-06-01-023H2024-11-14. Service bulletin. ENGINE. This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
01-06-01-011Q2024-11-13. Service bulletin. ENGINE. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
20-NA-1382024-11-05. Service bulletin. POWER TRAIN; ENGINE. 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.
04-06-04-051J2024-10-31. Service bulletin. ENGINE. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
04-06-04-051J2024-10-31. Service bulletin. ENGINE. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
PIE08042024-10-31. Service bulletin. ENGINE. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on hearing one or more of the following noises coming from the front of the vehicle during a cold start and/or while in operation.
24-NA-1972024-10-29. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE. This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTCs P2463 P2459 P11FB P11D3.
24-NA-1732024-10-22. Service bulletin. 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.
PIP5921A2024-10-18. Service bulletin. ENGINE. This Preliminary information communicates the possibility of the Intake Cam Actuator cover plate screws backing out and making unwanted contact with the Cam Carrier.
24-NA-0782024-10-15. Service bulletin. POWER TRAIN; ENGINE. This bulletin advises the tech to replace the starter and not the trans if grinding or growling is heard from the transmission area.
18-NA-0732024-10-11. Service bulletin. ENGINE. 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.
21-NA-1492024-10-09. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer concerns of IPC Gauges Sweep, IPC Warning Message, SES/Check Engine/MIL, No Start/ No Crank, Runs Rough, Stalls, Reduced Engine Power, Various DTCs.
23-NA-0482024-09-21. Service bulletin. ENGINE. This service bulletin provides a procedure to replace the rear crankshaft seal ito correct a customer concern of an oil leak from the center of the vehicle.
PIT5689J2024-09-16. Service bulletin. ENGINE. This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
PIP5949A2024-09-16. Service bulletin. ENGINE. This Preliminary information communicates to the dealer, a potential rough running condition following an autostop event that is caused by the incorrect crankshaft position sensor.
PIT62242024-09-13. Service bulletin. ENGINE. This Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and current driving habits.
23-NA-0442024-09-11. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This service bulletin provides information on AGM batteries that require less frequent charging in storage.
19-NA-2372024-09-11. Service bulletin. ENGINE. This service bulletin explains how to identify possible DEF system contamination.
PIT6192A2024-09-10. Service bulletin. ENGINE. This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication issues.
PIP5984D2024-09-09. Service bulletin. ENGINE. This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
18-NA-1502024-09-07. Service bulletin. ENGINE. This service bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.

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