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Home >> Fiat >> 2013 >> 500e >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Electric Vehicle Control Unit (EVCU) Module - DTCS B12A4-11 To P1138 - 500E >> Diagnosis And Testing >> P060B-Internal Control Module A/D Processing Performance >> Theory Of Operation
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Theory Of Operation

The Electric Vehicle Control Unit (EVCU) performs several basic system self diagnostic checks to ensure proper controller operation.

These checks include read/write memory, checksum, cyclic redundancy check (CRC), main processor and several other internal diagnostics. These internal test are usually implemented on the controllers initial power up.