OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P2A9E?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOpen in valve control wire
- PossibleOpen valve coil
- Less likelyPin pushed back out of connector body
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- Parts involved
- Alt Fuel Return Line Valve, Wiring Harness, Afcm
Related codes
- P2A9BAlternative Fuel Tank Select Valve C Control Circuit Low
- P2A9CAlternative Fuel Tank Select Valve C Control Circuit High
- P2A9DAlternative Fuel High Pressure System Small Leak
- P2A9FAlternative Fuel Return Line Valve Control Circuit Range/Performance
- P2AA0Alternative Fuel Return Line Valve Control Circuit Low
- P2AA1Alternative Fuel Return Line Valve Control Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.