LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2012 >> Wrangler Sport, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) - Electrical Diagnostics >> DTC Troubleshooting >> U1508-Implausible Message Data Length Received From ESM >> Possible Causes

Possible Causes

Possible Causes 
CAN BUS DTCS PRESENT
ELECTRONIC SHIFT MODULE DTCS PRESENT
TRANSMISSION CONTROL MODULE (TCM)

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