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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

Bulletins, newest first
661.302026-04-30. Over-the-air update. UNKNOWN OR OTHER. • Fixes to help extend coolant valve life through diagnostic changes.
PIC6602U2026-04-30. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIC6629D2026-04-30. Service bulletin. UNKNOWN OR OTHER. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIT6017B2026-04-29. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates how to change a regular vehicle to fleet mode that was not built with the option.
PIP61082026-04-23. Service bulletin. UNKNOWN OR OTHER. This PI instructs technicians to inspect the ground plane on MD Silverado vehicles with DTC P251A
PIT5689N2026-04-23. Service bulletin. UNKNOWN OR OTHER. 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.
PIT65042026-04-07. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates a normal characteristic where Some customers may comment that they have a " Forward Collision Unavailable" message that intermittently comes on during startup and goes out a few seconds later. No Repairs should be made
PIT3271Q2026-04-07. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates information about how to determine if a wheel and tires size change is available.
661.102026-04-02. Over-the-air update. UNKNOWN OR OTHER. • Fixes to help prevent false Service Driver Assist System messages. • Improvements to connectivity for OnStar.
N25-2505522026-04-02. Over-the-air update. UNKNOWN OR OTHER. Improvements to OnStar functionality.
PIT6476A2026-03-31. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery connections and for any aftermarket devices.
PIT6473E2026-03-31. Service bulletin. UNKNOWN OR OTHER. This PI was created to help avoid unnecessary front camera module replacements
PIT6473C2026-03-19. Service bulletin. UNKNOWN OR OTHER. This PI was created to help avoid unnecessary front camera module replacements
PIT6473D2026-03-19. Service bulletin. UNKNOWN OR OTHER. This PI was created to help avoid unnecessary front camera module replacements
PIT6473B2026-03-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIT6406F2026-03-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIT6110J2026-03-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
PIP61042026-03-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
PIP4902V2026-03-17. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIC6602T2026-03-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6209H2026-03-11. Service bulletin. UNKNOWN OR OTHER. This PI communicates information informing dealers that Engineering is aware of the clunk noise and is currently investigating a root cause.
PIT6425D2026-03-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
PIC6629C2026-03-11. Service bulletin. UNKNOWN OR OTHER. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIP5934A2026-03-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the potential for DTC u060F u1345 to fail and suggest clearing dtc to confirm they reset before proceeding with diagnosis
PIT64892026-03-03. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with the engine running after the ignition is turned off and diagnostic help to isolate a possible Fuel Pump Control Module issue.

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