Cylinder 10 Exhaust Valve Control Circuit/Open

Where it lives

For P3477, the valve sits on the circuit this code reports. The description of P3477 puts it on cylinder 10.

Check these first

• An open in the cylinder 10 exhaust valve control circuit
• A failed exhaust valve control solenoid on cylinder 10
• A chafed or broken exhaust valve control harness at cylinder 10
• Corroded or backed out pins at the cylinder 10 exhaust valve connector

What to do next

1. Read the stored code and freeze frame data on a scan tool
2. Test the cylinder 10 exhaust valve control circuit for an open
3. Check the cylinder 10 exhaust valve connector for corrosion and backed out pins
4. Command the cylinder 10 exhaust valve control solenoid and watch for a change
5. Replace the cylinder 10 exhaust valve control solenoid if the wiring tests good
6. Clear the code and retest

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