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
| PIP6023D | 2026-01-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle |
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| PIT6344A | 2026-01-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow. |
| PIT6471 | 2026-01-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information is to inform technicians to not replace any parts at this time and to use the work around provided. When a fix is available, this PI will be updated to a bulletin. |
| PIT6064B | 2026-01-19. Service bulletin. UNKNOWN OR OTHER. This PI Communicates information to inform technicians that PTO Configuration has moved from PTO Module to ECM. |
| PIT6457B | 2026-01-19. Service bulletin. UNKNOWN OR OTHER. This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced. |
| PIT6436A | 2026-01-19. 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. |
| PIC6566B | 2026-01-14. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above. |
| PIP4902U | 2026-01-13. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance. |
| PIT5828E | 2026-01-13. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle. |
| PIT6315A | 2026-01-13. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates information to direct the dealer or upfitter to GM Upfitter Bulletin 203 for information on installing the Universal Vehicle Module. |
| PIT6276B | 2026-01-13. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with a service keyless entry message caused by aftermarket door handle covers and they should be removed. |
| PIT6459A | 2026-01-13. Service bulletin. UNKNOWN OR OTHER. This PI communicates an issue where the Brake System Control Module DTC: U0028-88 and U0037-88 diagnostics are backwards and follow the diagnostic procedure for U0037 if U0028 is set and vice versa. |
| PIT5689M | 2026-01-04. 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. |
| PIC6540F | 2026-01-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio. |
| PIT6469A | 2025-12-29. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with the turn signals flashing fast after reprogramming the lighting control module. Dealer are to contact TCSC to obtain the correct cals for the lighting control module. |
| 654.10 | 2025-12-25. Over-the-air update. UNKNOWN OR OTHER. This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. • Improvements to help reduce check engine light activation and emissions system messages. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation. |
| 654.20 | 2025-12-25. Over-the-air update. UNKNOWN OR OTHER. • Improvements to audio system performance. • Fixes to help ensure proper functionality for the center display. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation. |
| 654.30 | 2025-12-25. Over-the-air update. UNKNOWN OR OTHER. • Fixes to help ensure proper functionality for transmission system. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation. |
| PIT6469 | 2025-12-22. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with the turn signals flashing fast after reprogramming the lighting control module. Dealer are to contact TCSC to obtain the correct cals for the lighting control module. |
| PIT6445B | 2025-12-22. Service bulletin. UNKNOWN OR OTHER. This PI communicates information that the Collision / Detection Systems will revert to default setting of Alert and Brake after an Ignition Cycle due to an Engineering change. |
| PIP6092A | 2025-12-22. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction through technical assistance. |
| PIT6467 | 2025-12-22. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that this concern is being root caused and no repairs should be attempted at this time |
| PIT6457A | 2025-12-15. Service bulletin. UNKNOWN OR OTHER. This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced. |
| PIC6629B | 2025-12-15. 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 |
| PIT6224B | 2025-12-08. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and current driving habits, or low fuel range and vehicle is idling. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.