Possible Causes
- Electrical Cause
- Mechanical Cause
- Control Module Cavity
- Circuit reference O_T_CVLH1
- Circuit reference O_T_CVLL1
- Prioritized List of Possible Causes
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Powertrain control module internal failure
- Continuously variable valve lift solenoid - Wiring integrity
- Short circuit to ground
- Short circuit to power
- Open circuit
- High resistance
- Continuously variable valve lift solenoid failure
- Excessive fuel in engine oil
- Oil pressure is too low
- Oil aeration
- Incorrect specification engine oil installed