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Home >> Fiat >> 2013 >> 500e >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Electric Vehicle Control Unit (EVCU) Module - DTCS P1139 To U1487 - 500E >> Diagnosis And Testing >> U1040-ESM Detected Communication Error From EVCU >> Set Condition

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Set Condition

The Electronic Shift Module (ESM) is unable to communicate with the Electric Vehicle Control Unit (EVCU).

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