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Home >> Jeep >> 2012 >> Compass Latitude, 2.4 B, AWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 587 ((Transmission Control Module (TCM) - Electrical Diagnostics - Nag1 Automatic Transmission)) >> DTC Troubleshooting >> U1505-Implausible Message Data Length Received From FDCM >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 Dodge Charger and 2015 Dodge Charger. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
BCM CAN BUS DTCS PRESENT
FINAL DRIVE CONTROL MODULE DTCS PRESENT
TRANSMISSION CONTROL MODULE (TCM)

Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  NAG1 TCM - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE   .