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P052C - Cold Start Camshaft Position Timing Over-Advanced (Bank 2)

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P052C - COLD START CAMSHAFT POSITION TIMING OVER-ADVANCED (BANK 2)

Description:  The powertrain control module (PCM) monitors the variable camshaft timing (VCT) position for an over-advanced camshaft timing during cold start up. The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position.
Possible Causes: 
  • Camshaft timing improperly set
  • Continuous oil flow to the VCT piston chamber
  • VCT solenoid valve stuck open
  • Camshaft advance mechanism binding (VCT unit)
Diagnostic Aids:  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 the ENGINE SYSTEM - GENERAL INFORMATION -- E-SERIES , Oil Pressure Test, to check the engine oil pressure. Refer to the ENGINE - 4.6L AND 5.4L -- E-SERIES , Timing Drive Components, to check the engine timing.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All   - refer to PINPOINT TEST HK . refer to PINPOINT TEST HK .