Service bulletins for the 2026 GMC Yukon XL
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.
218 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| PIT6440 | 2025-10-24. Service bulletin. UNKNOWN OR OTHER. The Driver Information Center may display a message of Transport Mode On after the ignition is cycled. |
|---|---|
| 25-NA-264 | 2025-10-21. Service bulletin. SERVICE BRAKES. This informational bulletin provides information on Automated Brake Bleed and/or Brake Hydraulic Test procedure fails when attempting to perform either procedure. |
| PIT6437 | 2025-10-06. Service bulletin. UNKNOWN OR OTHER. This information provides software update information for the K73 Telematics module to correct the symptoms described. |
| PIC6607B | 2025-10-06. 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. |
| PIT6426 | 2025-09-25. 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. |
| PIT5479H | 2025-09-17. 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. |
| PIC6607A | 2025-09-16. 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. |
| PIT6431 | 2025-09-16. 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. |
| 13598 | 2025-09-10. Other. UNKNOWN OR OTHER. New Vehicle Monitoring Programs Section in IVH |
| 25-NA-118 | 2025-09-10. 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. |
| PIT6427 | 2025-09-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates possible causes for battery draw concern |
| PIT5854D | 2025-09-05. 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. |
| PIT6236B | 2025-08-26. 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. |
| PIP6068A | 2025-08-26. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance. |
| PIT6368B | 2025-08-22. 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. |
| PIP4902T | 2025-08-22. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance. |
| PIT6422 | 2025-08-22. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue when performing a night vision camera learn the image can not be turned on. This provides a work around while the issue is being worked. |
| PIT6059C | 2025-08-22. 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. |
| PIC5650M | 2025-08-12. 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. |
| PIT6415 | 2025-08-04. 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. |
| PIT6212D | 2025-08-04. 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. |
| PIT5074S | 2025-07-23. 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. |
| PIP5601B | 2025-07-23. Service bulletin. UNKNOWN OR OTHER. This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC. |
| 15-NA-010 | 2025-07-07. 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. |
| PIT5832V | 2025-06-30. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.