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Home >> Jeep >> 2013 >> Wrangler Rubicon, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U1408-Implausible Brake Signal Received >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
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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