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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1346 ((Active Cruise Control (Acc) Module - Electrical Diagnostics)) >> DTC Troubleshooting >> C143A-86-Trailer Tow Module Stop Light Signal From TTM-Trailer Tow Module-Fail-SIGNALINVALID >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
TRAILER TOW MODULE (TTM) DTCS PRESENT
RELATED HARNESS CONNECTIONS
TRAILER TOW MODULE (TTM) MODULE

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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