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Service bulletins for the 2025 GMC Sierra

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
PIP60812025-08-26. Service bulletin. UNKNOWN OR OTHER. This Pi is to let dealer know that a program issue has been released and to not replace any hard for codes P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, U3581, U3582, U3583, U3584, U2BAA, U2BAB, U2BAC, U2BAD, U2BAE,
PIT6213C2025-08-26. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that the Tailgate Assist Handle is not included with certain truck models and how to get one if needed.
PIT64232025-08-26. Service bulletin. UNKNOWN OR OTHER. Diagnostic Guidance for U3000-97 Long Range Radar Blocked
PIP6068A2025-08-26. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
PIT5895E2025-08-22. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the inner tailgate.
PIT6368B2025-08-22. 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.
PIP5865F2025-08-22. 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.
PIP4902T2025-08-22. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIT6110H2025-08-22. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
PIC6602H2025-08-22. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6394B2025-08-22. 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.
PIT6059C2025-08-22. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.
PIC5650M2025-08-12. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
PIT6212D2025-08-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
PIT5161L2025-08-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic
PIP5865E2025-08-04. 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.
PIC6602G2025-08-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT64132025-07-30. 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.
PIT6393B2025-07-30. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.
PIP6023C2025-07-30. 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
PIC6602F2025-07-30. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
N25-2504032025-07-24. Over-the-air update. UNKNOWN OR OTHER. • Improves Check Engine Light accuracy. • Improves behavior of aero shutter system in freezing temperatures. 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.
PIT6274C2025-07-24. Service bulletin. UNKNOWN OR OTHER. This preliminary information PI states to not replace anything at the dealership for this concern and engineering is investigating.
PIT6274C2025-07-24. Service bulletin. UNKNOWN OR OTHER. This preliminary information PI states to not replace anything at the dealership for this concern and engineering is investigating.
PIP5601C2025-07-23. Service bulletin. UNKNOWN OR OTHER. This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

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