P0642 Ford

Ford P0642 OBD-II Trouble Code Definition:

P0642 Sensor Voltage Circuit A Low Voltage

P0642 Ford OBD-II Trouble CodeDescription:

OBD Trouble Code P0642
Sensor Reference Voltage “A” Circuit Low
What does the code mean? OBD-ii Code P0642 definition:
The ECM has detected that the 5 volt reference voltage is too low
Symptoms Sumptoms of OBD code P0642
– Engine Light ON (or Service Engine Soon Warning Light)
Causes Causes of the OBD-II code P0642
– ECM Short circuit condition – Shorted sensor on 5 volt circuit – Failed ECM