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Home >> Jeep >> 2017 >> Renegade Trailhawk >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> (Park Assist Module (PAM) - 12 Channel - Electrical Diagnostics) >> DTC Troubleshooting >> U173F-87-TTM-Trailer Tow Module-Missing Message >> Possible Causes

Possible Causes

Possible Causes
LOSS OF COMMUNICATION FROM THE BCM
INVALID SIGNAL SENT FROM TTM TO THE BCM
INVALID SIGNAL SENT FROM BCM TO THE PAM

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

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