Code result

P24DC

Reductant Purge Control Valve B Performance

Moderate severity

What it means

Same as P24DB with the actuator electrically intact yet not delivering the commanded purge flow. The evaporative system captures fuel vapor from the tank and purges it into intake; leaks or stuck purge valves leak hydrocarbons and cause emissions failures.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Purge valve sticking

    high

    One of the most commonly reported causes for this code — check this first.

Get the full diagnosis

Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.

Diagnose P24DC free

No credit card required