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Home >> Jeep >> 2012 >> Liberty Sport, RWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U1505-Implausible Message Data Length Received From FDCM >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

Possible Causes 
CAN BUS DTCS PRESENT
FINAL DRIVE CONTROL MODULE DTCS PRESENT
TRANSMISSION CONTROL MODULE (TCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  .