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Home >> Alfa Romeo >> 2017 >> Giulia Base, AWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Towing Systems >> (Trailer Tow Module - Electrical Diagnostics) >> DTC Troubleshooting >> C104C-13-Reverse Light Command - Circuit Open >> Possible Causes
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Possible Causes

Possible Causes
TRAILER BACKUP LAMP DRIVER CIRCUIT OPEN
TRAILER TOW MODULE (TTM)

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

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