Possible causes
– Faulty Exhaust Valve Control Solenoid Bank 1
– Exhaust Valve Control Solenoid Circuit Bank 1 harness is open or shorted
– Exhaust Valve Control Solenoid Circuit Bank 1 circuit poor electrical connection
– Exhaust Valve Control Solenoid Circuit Bank 1 harness is open or shorted
– Exhaust Valve Control Solenoid Circuit Bank 1 circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)