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Home >> Jeep >> 2021 >> Compass Trailhawk >> Repair and Diagnosis (Single Page) >> Body & Frame >> Towing Systems >> (Trailer Tow Module - Electrical Diagnostics) >> Diagnosis And Testing >> B17AD-13-Rear Left Trailer Turn Lamp Control - Circuit Open >> Possible Causes

Possible Causes

Possible Causes
TRAILER WIRING
TRAILER TOW HARNESS
TRAILER TOW HARNESS CONNECTOR
TRAILER TOW MODULE (TTM)

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

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