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Fiat
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2022
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500X Pop
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Repair and Diagnosis
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Engine Performance
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System
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1.3L - DTCS P2C34 To U0404
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Diagnosis And Testing
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U012D-Lost Communication With Alternator Control Module
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Possible Causes
Possible Causes
Possible Causes
LIN BUS CIRCUIT OPEN OR SHORTED
ALTERNATOR
POWERTRAIN CONTROL MODULE (PCM)
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.