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Final Drive Control Module (FDCM)






U0401-IMPLAUSIBLE DATA RECEIVED FROM ECM

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
With the ignition on for 4 seconds, no CAN BUS circuit error condition present, no lost communication with PCM condition present, and no system undervoltage or overvoltage condition present.

- Set Condition:
The Final Drive Control Module (FDCM) is receiving implausible data for pedal position, engine RPM, torque, or engine coolant temperature from the PCM.





POWERTRAIN DTCS PRESENT
1. Ignition on.
2. With the scan tool, read DTCs in the Powertrain Control Module.

Are there any active DTCs present?

Yes

- Perform the applicable diagnostic procedure.
- Perform TRANSFER CASE VERIFICATION TEST Transfer Case Verification Test.

No

- Replace the Final Drive Control Module (FDCM).
- Perform TRANSFER CASE VERIFICATION TEST Transfer Case Verification Test.