Flash: Drivetrain Control Module (DTCM), Driveline Bump Sensation During Low Speed Transmission Downshifts
This bulletin involves selectively erasing and reprogramming the Drivetrain Control Module (DTCM).
A small number of customers may experience a driveline bump sensation during low speed transmission downshifts. This condition typically occurs in speeds less than 15 mph (24 kph) during
a 2-1 downshift.