P3481 OBD II Trouble Code Cylinder 11 Deactivation/Intake Valve Control Circuit/Open
How to quickly diagnose and repair, and causes of a P3481 electrical code which indicates an open state in cylinder 11 deactivation or intake valve control circuit.
Symptoms of P3481 OBD II Trouble Code
- Engine may misfire
- Increased fuel consumption
- Poor engine performance
- Service engine soon light illuminated
- Check engine light illuminated
Common Causes of P3481 OBD II Trouble Code
- Defective cylinder deactivation solenoid
- Low engine oil level or pressure
- Restricted oil passage
- Faulty or damaged wiring
- Corroded, damaged or loose connector
- Defective ECM
Severity of P3481 OBD II Trouble Code
The severity of this code can vary tremendously from moderate to severe depending on the specific symptoms of the malfunction. A misfire requires immediate attention because it can cause permanent damage to internal engine components.