Flash: Drivetrain Control Module (DTCM) Diagnostic and System Improvements This bulletin involves...
Jeep technical service bulletin 08-027-21 for 2015-2018 Jeep Renegade, 2015 Fiat 500 and 2016-2018 Fiat 500X.
- Bulletin number
- 08-027-21
- Component
- Power train
- Summary
- Flash: Drivetrain Control Module (DTCM) Diagnostic and System Improvements This bulletin involves reprogramming the DTCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs):C2502-64 - Signal Plausibility Failure. C2210-92 - ETM Hall Sensor Performance Or Incorrect Operation. C2220-54 - ETM Calibration Error Missing Calibration. C2020-01 - ECU Internal Fault - General Electrical Failure. This software update also includes the following enhancementsReduce Rear Drive Module (RDM) noise during disconnect phase at speeds above 45 kph (28 mph)North America Only.
Owners of these vehicles have filed 485 complaints in the transmission category.
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