Possible causes
– Faulty ASD Relay
– Faulty CNG Relay
– ASD or CNG Relay harness is open or shorted
– ASD or CNG Relay circuit poor electrical connection
– ASD or CNG Relay poor ground or supply voltage condition
– Faulty CNG Relay
– ASD or CNG Relay harness is open or shorted
– ASD or CNG Relay circuit poor electrical connection
– ASD or CNG Relay poor ground or supply voltage condition
When is the obd code mean?
ECM commanded on the ASD or CNG relay and detected an open or shorted condition