P3488
Cylinder 11 Exhaust Valve Control Circuit High
P3488 is an OBD-II diagnostic trouble code meaning: Cylinder 11 Exhaust Valve Control Circuit High. Common causes: open or short circuit in exhaust valve control circuit, vvt solenoid valve malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Possible misfire in cylinder 11
Causes
- Open or short circuit in exhaust valve control circuit
- VVT solenoid valve malfunction
- Problems with the wiring harness to the valve
- Engine control unit malfunction
- Mechanical failure of the exhaust valve
How to Fix
- Check valve control circuit integrity
- Test solenoid valve resistance
- Inspect the wiring harness for damage
- Check the operation of the engine control unit
- If necessary, replace the exhaust valve or its actuator
Related codes
Error P3488 by Vehicle Brand
FAQ
What does the P3488 code mean?
P3488 is an OBD-II diagnostic trouble code that indicates: Cylinder 11 Exhaust Valve Control Circuit High
What causes a P3488 error code?
The most common causes of P3488 include: Open or short circuit in exhaust valve control circuit; VVT solenoid valve malfunction; Problems with the wiring harness to the valve; Engine control unit malfunction.
How do I fix a P3488 diagnostic trouble code?
To fix P3488: Check valve control circuit integrity. Test solenoid valve resistance. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3488?
Limited driving only, diagnose soon
How much does it cost to fix P3488?
The estimated repair cost for P3488 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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