Possible causes
– Engine mechanical condition-Valve timing off
– Cam sensor or crank sensor are loose on their mounting
– Faulty camshaft position sensor
– Faulty crankshaft position sensor
– Cam sensor or crank sensor are loose on their mounting
– Faulty camshaft position sensor
– Faulty crankshaft position sensor
Tech description
If this DTC started after recent internal engine repairs, inspect for proper engine mechanical timing. With the camshaft cover removed and the #1 cylinder at top dead center, make sure that the darkened chain links are lined up with the alignment marks on the exhaust and intake cam sprockets.
If a P0016 or P1345 is resetting without any engine performance concerns but the above information did not isolate a cause for the DTC, replace the Cam Phaser Actuator sprocket.
When is the obd code mean?
The ECM detected that the cam and crank sensor positions were out of time
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine hard to start
– Engine stall while driving
– Engine hard to start
– Engine stall while driving
P1345 CHEVROLET OBD Code Description