P26EA
Fuel Pump Control Module B
A general fault in the second fuel pump control module (smart pump controller, separate from the ECU). Internal self-test failed or communication with the ECU is degraded.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Symptoms
- Check engine light on
- Hard start, no start, or stalling under load
- Power loss especially at high load or rpm
- Possible long cranking time
Common causes
Ordered by how often each turns out to be the cause.
- Internal fault in the pump moduleCommon
- Bus communication errors with ECUPossible
Parts involved
- Fuel Pump Module B
- Communication Bus
P26EA 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.