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Home >> Jeep >> 2017 >> Wrangler Sport, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U150A-Implausible FCM Variant Message Data Length Received >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

Possible Causes
TIPM CAN BUS DTCS PRESENT
TRANSMISSION CONTROL MODULE

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

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