10L1000 Transmission Control Module TCM Calibration Update to Address Various Transmission Concerns and Improve Transmission Performance – 2020 Chevrolet Silverado & GMC Sierra 2500/3500

2020 Chevrolet Silverado

NHTSA ID Number: 10185740 Manufacturer Communication Number: PIP5770   Summary This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair.   2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2020 GMC SIERRA 2500 2020     SEOCONTENT-START Bulletin No.: PIP5770 Published date: 12/16/2020 Preliminary Information PIP5770 … Read more

Engineering Information – Transmission Performance Issues without a Current or History DTC and Unable to Duplicate the Customer Concern (CCND) – 2020 Chevrolet Silverado & GMC Sierra

2020 Chevrolet Silverado

NHTSA ID Number: 10184510 Manufacturer Communication Number: PIE0583B   Summary This engineering information (EI) is requesting information from technicians and to contact the engineers listed in regards to Transmission Performance Issues without a Current or History DTC and Unable to Duplicate the Customer Concern (CCND).   SEOCONTENT-START Subject: Engineering Information – Transmission Performance Issues without a Current … Read more