OBD-II code · Powertrain (generic, extended)
P224F Alternative Fuel Tank Shutoff Valve A Control Circuit High
Shutoff valve A drive line stuck high — short to B+. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
Is it safe to drive with P224F?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyShort to B+
- Less likelyConnector pins corroded - high contact resistance
- Less likelySupply wire pinched against B+ source
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.7–3 h
- Emissions test
- Likely to fail
- Parts involved
- Alternative Fuel Shutoff Valve
Related codes
- P224CAlternative Fuel Tank Shutoff Valve A Control Circuit/Open
- P2A25Alternative Fuel Tank Shutoff Valve B Control Circuit High
- P2A29Alternative Fuel Tank Shutoff Valve C Control Circuit High
- P2A2DAlternative Fuel Tank Shutoff Valve D Control Circuit High
- P2A31Alternative Fuel Tank Shutoff Valve E Control Circuit High
- P224DAlternative Fuel Tank Shutoff Valve A Control Circuit Performance/Stuck Off
- P224EAlternative Fuel Tank Shutoff Valve A Control Circuit Low
- P2250O2 Sensor Reference Voltage Circuit High (Bank 2 Sensor 1)
- P2251O2 Sensor Negative Current Control Circuit (Bank 1 Sensor 1)
- P2252O2 Sensor Negative Current Control Circuit Low (Bank 1 Sensor 1)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.