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Home >> Fiat >> 2012 >> 500 Pop, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio (Radio) - Electrical Diagnostics >> Diagnosis And Testing >> U1733-87-Lost Communication With CTM >> Possible Causes

Possible Causes

Possible Causes 
CAN BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
CONVERGENCE TELEMATICS MODULE (CTM) POWER AND GROUND
BCM NOT CONFIGURED CORRECTLY
CONVERGENCE TELEMATICS MODULE (CTM)
MODULE THAT SET THIS DTC
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