P0016 CHEVROLET - Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor 'A'
- Mechanical timing fault (stretched timing chain or damage timing chain tensioner)
- Blocked oil passage
- Low oil level
- Faulty Intake ('A') Camshaft Position (CMP) Sensor
- Faulty Crankshaft Position (CKP) Sensor
If a P0016 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.
There is a factory service bulletin for the following Chevrolet models:
2008-2012 Chevrolet Captiva
2008-2012 Chevrolet Equinox
2008-2012 Chevrolet Malibu
2009-2012 Chevrolet Traverse
2010-2012 Chevrolet Camaro
2012 Chevrolet Impala
Chevrolet Factory Service Bulletin OBDII Code P0016
When is the code detected?
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine hard to start
- Engine stall while driving
P0016 CHEVROLET Description
The Camshaft Position (CMP) sensor is triggered by a notched reluctor wheel built into the exhaust camshaft sprocket. The CMP sensor provides 6 signal pulses every camshaft revolution. Each notch, or feature of the reluctor wheel is of a different size for individual cylinder identification. This means the CMP and crankshaft position (CKP) signals are pulse width encoded to enable the PCM to constantly monitor their relationship. This relationship is used to determine camshaft actuator position and control its phasing at the correct value. The PCM also uses this signal to identify the compression stroke of each cylinder, and for sequential fuel injection. The CMP sensor is connected to the PCM by a 12-volt, low reference, and signal circuit.
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