P0697 5 Volt Reference 3 Circuit
Possible causes
– Shorted sensor
– Shorted circuit condition
– Faulty Engine Control Module (ECM)
– Shorted circuit condition
– Faulty Engine Control Module (ECM)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0697 Description
The Engine Control Module (ECM) has detected an out of voltage range on the 5 volt reference circuit 3