Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL)...
Ram technical service bulletin 1800123 for 2022 Ram 1500.
- Bulletin number
- 1800123
- Component
- Electrical system
- Summary
- Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P1524 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled. ? P219A - Bank 1 Air-Fuel Ratio Imbalance. ? U0402-00 Implausible Data Received from the TCM. (When U0402-00 sets in the PCM, the module will start to deny torque requests from the Transmission Control Module (TCM). The transmission will fault and go to a fixed gear limp-inreaction, and send the MIL request to PCM.) The customer may also experence the following: ? A limp mode when the DTC sets in the PCM. This bulletin involves reprogramming the PCM with the latest available software.
Owners of these vehicles have filed 202 complaints in the electrical category.
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