Exhaust Flow Control Valve A Position Circuit High

Where it lives

For P2BF7, the valve sits on the circuit this code reports. The description of P2BF7 reports a fault at the valve.

Check these first

• An open in the exhaust flow control valve A position sensor circuit
• A position sensor A that lost its ground
• A short to voltage on the valve A position signal wire
• A valve A connector exposed to exhaust heat damage

What to do next

1. Read exhaust flow control valve A position on a scan tool
2. Check the valve A position sensor for a full connector seat
3. Test the valve A position circuit for an open and a short
4. Inspect the valve A wiring for heat damage
5. Replace the valve A position sensor if the circuit tests good
6. Clear the code and retest

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