GMC TSB #N192210560
2020 GMC Sierra 1500
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Summary
- Service Update Bulletin. Certain vehicles may have a condition where the vehicle does not accelerate or decelerate but maintains speed after releasing the accelerator pedal for up to approximately 65 seconds. If the customer applies the brake pedal, the vehicle will stop as designed. Reprogram the engine control module.