P1381 - Variable Camshaft Timing Over-Advanced (Bank 1)

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P1381 - VARIABLE CAMSHAFT TIMING OVER-ADVANCED (BANK 1)

Description:	The comprehensive component monitor (CCM) monitors the VCT position for an overadvanced camshaft timing. The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position.
Possible Causes:	Camshaft timing improperly set. No oil flow to the VCT piston chamber. Low oil pressure. VCT solenoid valve stuck closed. Camshaft advance mechanism binding (VCT unit).
Diagnostic Aids:	P1381 DTC is a check of the VCT unit. Testing should not include electrical checks. Diagnostics and repair for the VCT unit are located in the appropriate ENGINE article.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	-	GO to HK: Variable Cam Timing (VCT) STEP 15	GO to HK: Variable Cam Timing (VCT) STEP 15