Flash: Powertrain Diagnostic And System Improvements
Ram technical service bulletin 18-121-16 for 2017 Ram Promaster City.
- Bulletin number
- 18-121-16
- Component
- Power train: automatic transmission: control module (TCM/PCM/tecm)
- Summary
- Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) 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. P0128 - Thermostat Rationality.
Vehicles covered
- Ram Promaster City 2017 2017
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