Cylinder 11 Exhaust Valve Control Circuit High

Where it lives

For P3488, the valve sits on the circuit this code reports. The description of P3488 puts it on cylinder 11.

Check these first

• A short to voltage on the cylinder 11 exhaust valve control circuit
• An open in the cylinder 11 exhaust valve control ground
• A stuck exhaust valve control solenoid on cylinder 11
• A failed driver inside the control module for the cylinder 11 exhaust valve circuit

What to do next

1. Read the stored code and freeze frame data on a scan tool
2. Test the cylinder 11 exhaust valve control circuit for a short to voltage
3. Check the cylinder 11 exhaust valve control ground for an open
4. Compare the circuit voltage to the manufacturer specification
5. Replace the cylinder 11 exhaust valve control solenoid if the circuit tests good
6. Clear the code and retest

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