DTC P1388: Variable Camshaft Timing (VCT) Over-Retarded (Bank 2)

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P1388 - VARIABLE CAMSHAFT TIMING (VCT) OVER-RETARDED (BANK 2)

Description:	The comprehensive component monitor (CCM) monitors the 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 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 ENGINE SYSTEM - GENERAL INFORMATION .
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	-	GO to HK: Variable Cam Timing (VCT) STEP HK15.	GO to HK: Variable Cam Timing (VCT) STEP HK15.