OBD-II code · Powertrain (generic)

P0EB4 A/C Compressor Motor Phase U Current Sensor Circuit

The A/C compressor motor phase U current sensor reports a fault.

Is it safe to drive with P0EB4?

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

Common causes

  • Most likelyCurrent sensor failed
  • PossibleWiring fault

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
2–8 h
Emissions test
Usually unaffected
Parts involved
AC Compressor Motor Phase U Current Sensor, Wiring Harness

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