Possible Fault Causes
-Open circuit in wire between the DME and the intake-side VANOS solenoid valve.
-Defect in power supply to VANOS intake-side solenoid valve
-Intake VANOS solenoid valve defective
-Open circuit in wire between the DME and the intake-side VANOS solenoid valve.
-Defect in power supply to VANOS intake-side solenoid valve
-Intake VANOS solenoid valve defective