OBD-II code · Powertrain (generic, extended)

P224E Alternative Fuel Tank Shutoff Valve A Control Circuit Low

Shutoff valve A drive line stuck low — short to ground. 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 P224E?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyShort to ground
  • Less likelyConnector pins corroded - high contact resistance
  • Less likelyHarness chafing through insulation

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

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