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Home >> Jeep >> 2012 >> Wrangler Sport, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U1400-Implausible TPS Signal Received >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes 
TIPM CAN BUS DTCS PRESENT
ECM/PCM DTCS PRESENT
TRANSMISSION CONTROL MODULE

Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  . 

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