Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Date Published
SEP 25, 2015
NHTSA TSB #
10105732
TSB Document
Summary
"SITUATION: A NUMBER OF TRANSMISSION SHIFT QUALITY CONCERNS MAY BE EVIDENT. EXAMPLES ARE: • A ROUGH GEAR CHANGE OR 'JERK' FROM STATIONARY WHEN SELECTING DRIVE(D) FROM NEUTRAL(N). • A ROUGH GEAR CHANGE OR 'JERK' WHEN RELEASING THE FOOT BRAKE FROM A STATIONARY POSITION WHILE THE VEHICLE IS IN DRIVE(D) (HANDBRAKE NOT APPLIED). FOR EXAMPLE, IN A TRAFFIC JAM OR PULLING AWAY FROM TRAFFIC LIGHTS. • A ROUGH GEAR CHANGE OR 'JERK' WHILE DRIVING VEHICLE ON COASTDOWN FROM SIXTH GEAR (OFF ACCELERATOR) BUT ONLY WHEN DOWNSHIFTING FROM FIFTH TO FOURTH GEAR. CAUSE: THIS MAY BE CAUSED BY TRANSMISSION CONTROL MODULE (TCM) SOFTWARE PROGRAMMING."