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DTC P1656: Oil Control Valve (OCV) Malfunction: Notes

CAUTION: If ECM replacement is instructed in following testing, always ensure ECM connectors and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECM malfunction.
NOTE: Variable Valve Timing (VVT) sensor may also be referred to as camshaft position sensor.
NOTE: Bank No. 1 refers to bank which includes cylinder No. 1. Bank No. 2 refers to bank without cylinder No. 1.