Manufacturer Communications Detail
GMC / SIERRA 1500 / 2014
| Components - Details | |
|---|---|
| Service Bulletin Number: PI1029 | Replacement Service Bulletin Number: |
| Date Of Bulletin: - | Failing Component: 103000 POWER TRAIN:AUTOMATIC TRANSMISSION |
| Vehicale/Equipment Name: GMC | Vehicale/Equipment Model: SIERRA 1500 |
| Vehicale/Equipment Year: 2014 | Date Added To File: Aug, 15 2017 |
| 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.<br /> | |