Possible causes
– Faulty ignition switch
– Ignition Switch harness is open or shorted
– Ignition Switch circuit poor electrical connection
– Faulty Engine Control Module (ECM)
– Ignition Switch harness is open or shorted
– Ignition Switch circuit poor electrical connection
– Faulty Engine Control Module (ECM)
When is the obd code mean?
The ECM has detected a voltage deifference between two circuits
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Possible no crank or start
– Possible no crank or start
P1682 CHEVROLET OBD Code Description