Possible causes
– Faulty Engine Brake Driver Relay
– Engine Brake Driver harness is open or shorted
– Engine Brake Driver circuit poor electrical connection
– Engine Brake Driver harness is open or shorted
– Engine Brake Driver circuit poor electrical connection
When is the obd code mean?
The Engine Control Module (ECM) has detected that the signal from the engine brake driver output does not match the driver feedback signal.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)