OBD-II code · Powertrain (generic, extended)

P224D Alternative Fuel Tank Shutoff Valve A Control Circuit Performance/Stuck Off

Alternative-fuel shutoff valve A is electrically OK but does not open when commanded. Vehicle remains on petrol/diesel only.

Is it safe to drive with P224D?

Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.

Common causes

  • Most likelyValve seized closed
  • Less likelyCarbon or debris buildup preventing free movement
  • Less likelyComponent wear with age - mechanical play

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
1–4 h
Emissions test
Likely to fail
Parts involved
Alternative Fuel Shutoff Valve

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.