Code result

P009B

Fuel Pressure Relief Control Circuit/Open

Moderate severity

What it means

Open circuit at fuel pressure relief solenoid (used to bleed off rail pressure during certain operating modes).

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

  • Wiring break

    high

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

  • Pin pushed back out of connector body

    low

    Less common, but worth ruling out after the more likely causes.

  • Cracked solder joint inside the module or sensor

    low

    Less common, but worth ruling out after the more likely causes.

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