Possible causes
– Faulty Malfunction Indicator Lamp Bulb
– Malfunction Indicator Lamp Bulb harness is open or shorted
– Malfunction Indicator Lamp Bulb circuit poor electrical connection
– Faulty Engine Control Module (ECM)
– Malfunction Indicator Lamp Bulb harness is open or shorted
– Malfunction Indicator Lamp Bulb circuit poor electrical connection
– Faulty Engine Control Module (ECM)
When is the obd code mean?
If the fault detection circuit senses a voltage other than what is expected, the fault line status will change causing the P0650 code will set.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0650 CHEVROLET OBD Code Description