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Fiat
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2012
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500c Pop, Automatic Trans
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Repair and Diagnosis
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Transmission
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Automatic Trans
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(Transmission Control Module (TCM) - Electrical Diagnostics)
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Diagnosis And Testing
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U0103-Lost Communication With Electric Gear Shift Module
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Possible Causes
Possible Causes
Possible Causes
CAN BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
ELECTRIC SHIFT MODULE (ESM) POWER AND GROUND
BCM NOT CONFIGURED CORRECTLY
ELECTRIC SHIFT MODULE (ESM)
MODULE THAT SET THIS DTC