Possible causes
– Faulty Viscous/Cabin Heater Relay
– Viscous/Cabin Heater Relay harness is open or shorted
– Viscous/Cabin Heater Relay circuit poor electrical connection
– Viscous/Cabin Heater Relay harness is open or shorted
– Viscous/Cabin Heater Relay circuit poor electrical connection
When is the obd code mean?
The ECM has detected an excessive current condition on the Viscous/Cabin Heater Relay control circuit
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)