Flash: Powertrain Control Module (PCM) Updates
Ram technical service bulletin 1812222 for 2022 Ram Promaster.
- Bulletin number
- 1812222
- Component
- Exterior lighting
- Summary
- Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Code (DTC) has been set: P0031 - O2 Sensor 1/1 Heater Circuit Low.
Vehicles covered
- Ram Promaster 2022 2022
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