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Home >> Dodge and Ram >> 2009 >> Durango Base, 3.7 K >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Final Drive Control Module (FDCM) - Electrical Diagnostics >> DTC Troubleshooting >> U0401-Implausible Data Received From ECM/Pcm >> Possible Causes
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Possible Causes

Possible Causes 
CAN C BUS OPEN OR SHORTED CONDITION
POWERTRAIN CONTROL MODULE (PCM) DTCS PRESENT
FRONT CONTROL MODULE (FCM) DTCS PRESENT
ENGINE DTCS PRESENT
FINAL DRIVE CONTROL MODULE (FDCM)
WARNING: On vehicles equipped with the high voltage system, you must thoroughly read and follow all High Voltage Safety procedures. In addition, before performing any diagnostic or service procedure near a high voltage component, you must perform the High Voltage Power Down. Failure to follow these instructions may result in possible serious or fatal injury. Refer to Electrical - Engine Systems/Battery System - Warning