DTC P0012: Intake Camshaft Position Timing - Over-Retarded (Bank 1)

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DTC P0012: INTAKE CAMSHAFT POSITION TIMING - OVER-RETARDED (BANK 1)

Description:	The powertrain control module (PCM) monitors the variable camshaft timing (VCT) position for over-retarded camshaft timing. The test fails when the camshaft timing exceeds a maximum calibrated value or remains in a retarded position.
Possible Causes:	Camshaft timing incorrectly set Continuous oil flow to the VCT piston chamber Erratic camshaft position due to low oil pressure Oil flow restriction in the oil passages or the VCT valve body VCT solenoid valve stuck open Open or short in the VCT circuit Open VPWR circuit Camshaft advance mechanism binding (VCT unit) Damaged VCT phaser Damaged camshaft position (CMP) sensor Open or short in the CMP sensor circuits Radio frequency interference (RFI) interference
Diagnostic Aids:	These DTCs may be accompanied by other DTCs. Diagnose all camshaft position (CMP) sensor DTCs first. If no CMP sensor related DTCs are present, continue to follow diagnosis for the DTC. This DTC is a functional check of the VCT unit. Diagnose any base engine concerns related to the engine oil pressure or engine timing. Refer to Oil Pressure Test in the appropriate ENGINE SYSTEM - GENERAL INFORMATION article to check the engine oil pressure. Refer to the Timing Drive Components, in appropriate ENGINE article to check the engine timing and VCT phasers.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	-	GO to PINPOINT TEST HK .	GO to PINPOINT TEST HK .