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Service bulletins for the 2026 Chevrolet Tahoe

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.

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

By type

By component

By trouble code

Bulletins, newest first
PIT64262025-09-25. Service bulletin. UNKNOWN OR OTHER. If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.
PIT5479H2025-09-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston.
PIC6607A2025-09-16. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates not to replace the Image processing Module if the following DTC's are history - U3000 SYM49, U1624, U0140, U023B SYM00, U053C, B1DD SYM57.
PIT64312025-09-16. Service bulletin. UNKNOWN OR OTHER. This preliminarily information communication an issue with the supercruise dropping out when next to a merging lane and engineering is investigating.
135982025-09-10. Other. UNKNOWN OR OTHER. New Vehicle Monitoring Programs Section in IVH
25-NA-1182025-09-10. Service bulletin. FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
PIT6411A2025-09-05. Service bulletin. UNKNOWN OR OTHER. This information provides software update information for the K73 Telematics module to correct the symptoms described.
PIT64272025-09-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates possible causes for battery draw concern
PIT5854D2025-09-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle.
PIT6236B2025-08-26. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the active safety features and/or cameras are inoperative or unavailable after a 12 volt battery replacement or battery charge after a low voltage condition.
PIT64232025-08-26. Service bulletin. UNKNOWN OR OTHER. Diagnostic Guidance for U3000-97 Long Range Radar Blocked
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.
PIP4902T2025-08-22. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
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.
PIT64152025-08-04. Service bulletin. UNKNOWN OR OTHER. PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked, due to the personalization settings for Auto Door Unlocking.
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.
PIT5074S2025-07-23. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIP5601B2025-07-23. Service bulletin. UNKNOWN OR OTHER. This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
PIT64112025-07-14. Service bulletin. UNKNOWN OR OTHER. This information provides software update information for the K73 Telematics module to correct the symptoms described.
15-NA-0102025-07-07. Service bulletin. ENGINE. This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
PIT5832V2025-06-30. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT64012025-06-30. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a diagnostic tip on how to resolve a issue of the horn sounding when vehicle doors are being closed and the key in vehicle reminder set to off.
PIT6180A2025-06-29. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
PIP4902S2025-06-24. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

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