OBD-II code · Powertrain (generic, extended)

P2A75 Alternative Fuel Hydraulic Pump Pressure Sensor Circuit

The ECM detects a generic fault on the alternative fuel hydraulic pump pressure sensor circuit. Reading cannot be used reliably for control.

Is it safe to drive with P2A75?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelyPressure sensor failed
  • PossibleWiring or connector fault

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
1–4 h
Emissions test
Likely to fail
Parts involved
Alt Fuel Hyd Pump Pressure Sensor, Wiring Harness, Afcm

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