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Home >> Jeep >> 2012 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0103-Lost Communication With Electric Gear Shift Module >> Possible Causes
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Possible Causes

Possible Causes 
TRANSMISSION CONTROL MODULE (TCM)

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

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