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Home >> Jeep >> 2012 >> Wrangler Rubicon, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U1420-Implausible Electronic Gear Select Signal Received >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
TOTALLY INTEGRATED POWER MODULE (TIPM) CAN BUS DTCS
TIPM DTCS
TRANSMISSION CONTROL MODULE (TCM)

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

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