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P0015 is a diagnostic trouble code (DTC) for "Camshaft Position B - Timing Over-Retarded (Bank 1)". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $114.99 . Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.0 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.
Camshaft Position “B” - Timing Over-Retarded (Bank 1)
P0015 is the OBD-II generic code indicating the engine control module (ECM) has determined that the exhaust camshaft timing for bank 1 is more retarded than what the ECM has commanded it to be. The over-retarded timing condition can be during the advancing or retarding phase.
The variable camshaft timing (VCT) oil control valve (OCV) is stuck in the open position.
The camshaft phaser is stuck in the retarded position due to damage or clogged oil passages.
Oil flow problems to the VCT piston and phaser from incorrect oil viscosity.
The OCV has an open circuit or the ECM has an open circuit.
The Check Engine Light comes on if the timing is commanded to move, but it stays retarded.
The engine will have a hard start and low power condition due to the retarded timing position.
The engine fuel mileage will go down.
The engine may stall, hesitate, and run rougher than normal.
Note: The camshaft position will cause erratic drive complaints depending on the camshaft failed position.
Does a visual check for problems with the connections or wiring of the OCV
Checks the engine oil to see if it is full of clean correct viscosity oil
Scans and documents engine codes and views the freeze frame data to see when the code was set
Resets the Check Engine Light and road tests again to see if the code returns
Commands the OCV on and off with the scan tool to see if the camshaft timing changes
Performs the manufacturer’s tests for the P0015 code
Note: The manufacturer's recommended pinpoint test is used to narrow down the problem. Possible engine internal damage may be done if tests are not performed in accordance with a correct procedure.
Follow these simple guidelines to prevent mistakes:
Verify the failure and codes before attempting any repairs.
Do a visual check for any problems with the wiring or connections to the components.
Do all pinpoint test steps to help prevent misdiagnosis of good components.
Replace parts only as directed by the pinpoint test or after a visual check indicates a problem.
Erratic engine running conditions like stalling and rough running may occur.
Excessive fuel consumption and hesitation of the engine will follow with carbon fouling of some valve and piston engine components.
Driving the vehicle for a prolonged time with the camshafts retarded may cause additional internal engine problems depending on the failed part.
The camshaft phaser controls the timing advance and retard function through oil pressure and oil. If the camshaft phaser is leaking oil or the phaser is broken internally then both phasers should be replaced on both banks of the cams.
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