P008C
Fuel Cooler Pump Control Circuit/Open
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.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Wiring break or unplugged connectorCommon
- Pump motor openPossible
- Pin pushed back out of connector bodyLess likely
Parts involved
- Fuel Cooler Pump
- Pump Wiring
P008C is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.