Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the...
Jeep technical service bulletin 21-020-20 REV. A for 2020 Jeep Cherokee.
- Bulletin number
- 21-020-20 REV. A
- Component
- Power train
- Summary
- Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P1614 - ECU Reset-Recovery Occurred. Customers may also experience the following: An audible clunk after applying throttle from a coasting condition, predominantly in fifth and sixth gear while driving 48-72 kph (30-45 mph).
Owners of these vehicles have filed 201 complaints in the transmission category.
Vehicles covered
- Jeep Cherokee 2020 2020
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