OBD-II code · Powertrain (generic, extended)

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.

Is it safe to drive with P26EA?

Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.

Common causes

  • Most likelyInternal fault in the pump module
  • PossibleBus communication errors with ECU

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

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
1–4 h
Emissions test
Usually unaffected
Parts involved
Fuel Pump Module B, Communication Bus

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.