Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Date Published
AUG 27, 2020
NHTSA TSB #
10179656
TSB Document
Summary
This Preliminary information communicates to the dealer technician that engineering is investigating root cause of a harsh 1-2 and/or 5-4 shift on the 2017 Chevrolet Colorado and the 2017 GMC Canyon after mileage accumulation of approximately 25,000 miles. This Pi will be updated when new information is available.