C0056 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C0056 – ‘G’ Sensor Signal
C0056 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
C0056 Possible Causes
Faulty ‘G’ Sensor,’G’ Sensor harness is open or shorted,’G’ Sensor circuit poor electrical connection
The Engine Control Module (ECM) monitors the ‘G’ Sensor. The ECM sets the OBDII code when the ‘G’ Sensor is not to factory specifications.