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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
PIC6602Q2025-12-08. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIC6630A2025-12-08. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
25-NA-1562025-12-04. Service bulletin. WHEELS. This service bulletin provides information on Tire Sidewall Irregularities.
PIT64612025-12-03. Service bulletin. UNKNOWN OR OTHER. PI addresses a software issue on the K5 Assist step control module and identifies that a software update will be released to resolve the issue.
PIT6132D2025-12-03. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.
PIT64592025-12-03. 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.
PIC66302025-12-03. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
PIT64562025-12-03. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
PIT64572025-12-03. 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.
PIT5214G2025-11-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
PIT6406D2025-11-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIT64552025-11-28. 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.
PIC6602P2025-11-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIP60922025-11-28. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction through technical assistance.
N2525277802025-11-20. Service campaign. UNKNOWN OR OTHER. Service Update. Certain vehicles listed above may have a condition in which the front object alarm sensor wire harness retention clip is not inserted in the front bumper bracket. Dealers will verify the harness clip is connected, and reseat if necessary.
PIT6450A2025-11-18. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with a Service Brake system message and DTC C0597 C055F. Dealers are to replace the brake master cylinder.
PIP5981G2025-11-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
PIT6452A2025-11-17. 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
PIT64522025-11-17. 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
PIC6602N2025-11-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIC6629A2025-11-17. 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
PIC66292025-11-17. 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
25-NA-1522025-11-15. Service bulletin. SUSPENSION. this bulletin advises the tech not to replace the shock for possible air leak, but to replace the air valve on the shock.
N2525275002025-11-12. Service campaign. SUSPENSION. Certain vehicles may have a condition in which the Rear Spring U-bolt fasteners are torqued below specification. Dealers are to torque both the right and left side Rear Spring U-bolt fasteners to specification.
PIP5865J2025-11-10. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.

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