Flash: Drivetrain Control Module (DCTM)
Jeep technical service bulletin 21-021-14 for 2014 Jeep Grand Cherokee.
- Bulletin number
- 21-021-14
- Component
- Electrical system
- Summary
- Flash: Drivetrain Control Module (DCTM) - Bump Felt in the Driveline While Turning From a Stop Such as in Parking Lot Maneuvers This bulletin involves flashing the Drivetrain Control Module (DCTM) with revised software. Customers may indicate that they feel a bump in the driveline while turning from a stop such as in parking lot maneuvers. This software release provides a more refined control of the 4WD system to more smoothly engage and release the 4WD system.
Owners of these vehicles have filed 486 complaints in the electrical category.
Vehicles covered
- Jeep Grand Cherokee 2014 2014
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