ECM PCM - Circuit error or EGR valve solenoid 3 - Circuit error ( Depending on the car model )
End of message.
oxygen sensor circuit or ecm
Key power input to processor open circuit
A DTC 55 is used to end all DTC messages. This code does not show on the DRB tool and indicates a completion of the stored codes on the Malfunction Indicator Lamp (check engine lamp).
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