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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
N2625473302026-04-17. 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.
N2625468402026-04-13. Service campaign. UNKNOWN OR OTHER. Customer Satisfaction Program. On certain vehicles listed above, the customer was charged for a back-up alarm calibration which was not provided with the vehicle. Dealers will provide the customer with a reimbursement check in the amount of $50.00 (USD) / $85.00 (CAD).
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.
661.302026-04-02. Over-the-air update. UNKNOWN OR OTHER. • Improvements to the performance of driver assistance features • Fixes to help ensure accurate driver display messages and alerts • Improvements to the performance of Automatic Emergency Braking and Adaptive Cruise Control braking • Fixes to help ensure proper functionality of Forward Collision Alert and availability of driver assistance features • Fixes to help ensure proper functionality for heating and cooling features • Improvements to night mode lights for shifting gears • Fixes for Daytime Running Lamps turning on when set to Off • Fixes to help prevent erroneous missing key messages on driver display • Fixes for accuracy of low tire pressure alert • Fixes for speed threshold for pedestrian alerts
661.102026-04-02. Over-the-air update. UNKNOWN OR OTHER. • Improvements to diagnostics and service messaging for battery health, particularly in humid conditions • Improvements to transmission diagnostics used for shifting • Improvements to charging system diagnostics • Fixes to help protect EV adapter from overheating while charging
661.202026-04-02. Over-the-air update. UNKNOWN OR OTHER. • Improvements to accuracy of Park Assist messaging. • Fixes to improve performance of driver assistance systems and rear view camera. • Improvements to responsiveness of rear view camera. • Fixes to address Super Cruise disengaging erroneously.
N2525290802026-04-01. Service campaign. ELECTRICAL SYSTEM. Service Update. Certain vehicles listed above may be missing a high voltage header plug on the RESS battery pack drive motor connector. Dealers are to inspect the RESS pack connectors and install the proper HV Header Plug if missing.
PIT6368C2026-03-31. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
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
PIT6244A2026-03-31. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates how the left lower corner of the DIC is dual purpose and when vehicle is first started it displays the rear passenger seatbelt indicators and then after a short drive it will change and show the four-wheel drive indicator.
PIP61052026-03-31. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information (PI) relays to dealer technicians to replace the powertrain control relay in the under hood fuse relay center.
PIT6413A2026-03-24. Service bulletin. UNKNOWN OR OTHER. This preliminary information is for technicians that will have this message after USB updating the radio. The repair should not involve replacing a module as pressing the reset button will correct this issue.
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.
N252521591-042026-03-11. Service bulletin. UNKNOWN OR OTHER. Certain vehicles listed above may have a condition in which hard braking may unexpectedly engage. Dealers will re-program the IPM or Front View Camera depending on what the vehicle is equipped with.
PIT6393J2026-03-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
PIC6602T2026-03-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6394E2026-03-11. Service bulletin. UNKNOWN OR OTHER. A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complete the procedure.
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.

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