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1800123

Manufacturer communications

Publication date
2023-09-23
Received by NHTSA
2023-10-30
NHTSA record numbers
10244461 · 10248622

Multiple filings of the same bulletin are grouped here; original record numbers remain available.

Manufacturer summary

Original wording in English

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.

NHTSA manufacturer communications ↗

Reported code forms

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

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MakeModelModel year
Ram15002022

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