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Home >> Fiat >> 2012 >> 500 Pop, Standard Trans >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> (Instrument Cluster - Electrical Diagnostics) >> Diagnosis And Testing >> U1705-87-Lost Communication With RRM >> Possible Causes

Possible Causes

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