All codes/P008C

P008C

Fuel Cooler Pump Control Circuit/Open

Moderate severity

Open circuit at the fuel cooler pump control. The pump that circulates fuel through a cooler (used on diesels and some hot-fuel applications) cannot be driven.

Open circuit at the fuel cooler pump control. The pump that circulates fuel through a cooler (used on diesels and some hot-fuel applications) cannot be driven.

Common causes

  • Wiring break or unplugged connector

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

    high

    Typical part cost: $70-550

  • Pump motor open

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $70-550

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P008C mean?

P008C means "Fuel Cooler Pump Control Circuit/Open". It is a generic OBD-II code that points to a fault in the fuel & air metering / auxiliary emission controls.

What are the most common causes of P008C?

wiring break or unplugged connector; pump motor open; pin pushed back out of connector body — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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