Code result

P06FA

Glow Plug Control Module 2 Performance

Moderate severity

What it means

Glow Plug Control Module 2 Performance: the component is electrically intact but its response does not match the command. This affects diesel cold-start preheating.

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

  • Module response drifted

    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 P06FA free

No credit card required