Flash: Transmission Control Module (TCM) Updates
Jeep technical service bulletin 21-027-21 REV. A for 2021 Jeep Grand Cherokee.
- Bulletin number
- 21-027-21 REV. A
- Component
- Power train: automatic transmission: control module (TCM/PCM/tecm)
- 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 the following Diagnostic Trouble Code (DTC) has been set:P032F - Combustion Engine Producing Insufficient Torque. Customers may also experience a shift quality issue during a 5-4 downshift.
Owners of these vehicles have filed 61 complaints in the transmission category.
Vehicles covered
- Jeep Grand Cherokee 2021 2021
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