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Home >> Jeep >> 2017 >> Renegade Trailhawk >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 ((Trailer Tow Module- Electrical Diagnostics)) >> DTC Troubleshooting >> C104B-13-Rear Fog Light Command-Circuit Open >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2015 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
TRAILER REAR FOG LAMP DRIVER CIRCUIT OPEN
TRAILER REAR FOG GROUND CIRCUIT OPEN
TRAILER TOW MODULE (TTM)

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

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