Vehicle speed control: accelerator pedal
Chevrolet technical service bulletin PI1029 for 2014 Chevrolet Silverado 1500 and 2014 GMC Sierra 1500.
- Bulletin number
- PI1029
- Component
- Vehicle speed control: accelerator pedal
- Summary
- This preliminary information bulletin provides a procedure to reprogram the ECM/TCM due to upshifts that clunk when the driver lifts off the accelerator pedal at the beginning of the shift or about firm downshifts at lower engine speeds.
Owners of these vehicles have filed 35 complaints in the acceleration category.
Vehicles covered
- Chevrolet Silverado 1500 2014 2014
- GMC Sierra 1500 2014 2014
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