LOW SPEED TRANSMISSION UPSHIFT IMPROVEMENT
IF YOU CONFIRM
The customer notices a 1st to 2nd gear upshift while driving at slow speeds and when the
transmissionâ??s fluid temperature is warming up,
AND
There are no TCM related DTCs present.
ACTION
Perform the steps in the SERVICE PROCEDURE to:
1. Confirm the current TCM part number.
2. Reprogram the TCM, if applicable.