"Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp...
Ram technical service bulletin 21-050-24 for 2022 Ram Promaster.
- Bulletin number
- 21-050-24
- Component
- Power train
- Summary
- "Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P1DCD-00 - TCM Monitoring Processor Performance Multiple Clutches Locked Up. Customers may also comment on the following: ● Transmission randomly shifts into neutral gear while driving. NOTE: The vehicle can be reset with an ignition/key cycle from Off and then back to Start to allow the vehicle to shift normally. This bulletin involves reprogramming the TCM with the latest available software."
Owners of these vehicles have filed 2 complaints in the transmission category.
Vehicles covered
- Ram Promaster 2022 2022
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