P2A9E
Alternative Fuel Return Line Valve Control Circuit/Open
The control circuit of the alternative fuel return line valve reports a control circuit/open condition. Excess fuel return to the tank cannot be commanded as expected.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Open in valve control wireCommon
- Open valve coilPossible
- Pin pushed back out of connector bodyLess likely
Parts involved
- Alt Fuel Return Line Valve
- Wiring Harness
- Afcm
P2A9E is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.