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Home >> Dodge and Ram >> 2009 >> Durango Base, 3.7 K >> Repair and Diagnosis >> Electrical >> Horns >> (Front Control Module (FCM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1644-Rear Left Turn Control Circuit High >> Possible Causes
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Possible Causes

Possible Causes 
(L63) LEFT REAR TURN SIGNAL CIRCUIT OPEN
(L63) LEFT REAR TURN SIGNAL CIRCUIT SHORTED TO VOLTAGE
INTEGRATED POWER MODULE (IPM)
FRONT CONTROL MODULE (FCM)