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Home >> Jeep >> 2013 >> Wrangler Rubicon, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U1408-Implausible Brake Signal Received >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
TIPM CAN BUS DTCS PRESENT
ABS DTCS PRESENT
TRANSMISSION CONTROL MODULE

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

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