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Jeep TSB #21-036-14
2014 Jeep Grand Cherokee
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- 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.
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