WenmarOpen by Wenmar Pro

Service bulletins for the 2026 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.

330 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
PIC6630B2026-05-13. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
PIC6629E2026-05-13. 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
PIT6455A2026-05-13. Service bulletin. UNKNOWN OR OTHER. This PI communications information that Engineering is investigating the Service Driver Assist message with current DTC B1B2F Telematics Control Module and U1624 Image Processing Control Module setting.
PIC6602V2026-05-13. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIC6602W2026-05-13. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIC6566C2026-05-13. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
PIT6436D2026-05-13. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information is to inform dealer technicians to not replace anything at this time in regards to this concern. The vehicle is still safe to drive with no other issues.
PIT6406H2026-05-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIT6247B2026-05-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
PIC6540G2026-05-08. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio.
PIC6540G2026-05-08. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio.
PIP61102026-05-08. Service bulletin. UNKNOWN OR OTHER. This P/I is created to request FSE assistance to help isolate root cause for stator support shaft/spline breakage.
PIT6393K2026-05-08. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
N262547330-012026-05-08. Service campaign. UNKNOWN OR OTHER. Certain vehicles may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. IMPORTANT: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
N2525370312026-05-04. Service campaign. UNKNOWN OR OTHER. Certain vehicles listed above may be equipped with a trailer hitch label that understates hitch capability. Because this label can easily be installed by the customer, and to reduce their inconvenience, the corrected label and installation instructions will be mailed to customers of record.
PIT65112026-05-02. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with a replace or low FOB battery message
PIT6406G2026-05-02. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
661.402026-05-01. Over-the-air update. UNKNOWN OR OTHER. • Fixes to help ensure successful vehicle software updates • Improvements to the availability of driver assistance features
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.
PIT6452D2026-04-29. Service bulletin. UNKNOWN OR OTHER. This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
PIT65032026-04-23. Service bulletin. UNKNOWN OR OTHER. This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
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.
N2625476702026-04-20. Service campaign. STRUCTURE:BODY. Certain vehicles listed above may have a condition in which there are splits in the cab door ring in the rear outboard side of the roof ditch and exterior cab door ring. Dealers will inspect the rear outboard roof ditch area of the cab door ring and the exterior cab door ring, and weld and seal any identified splits as necessary.

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