Powertrain, generic

P0E00 Generator Phase U Current Sensor Circuit

Check engine lightOn

EmissionsRelevant

Drive cycleNot required

Limp modePossible

P0E00 is the general circuit code for the current sensor in phase U of the generator. Each phase sensor, usually a Hall-type device inside the inverter, outputs a voltage around a mid-point when no current flows. No manufacturer documents P0E00 publicly. Mitsubishi's Outlander PHEV shows how its generator unit judges the U-phase sensor: at standstill below 20 rpm with the IGBTs off the signal must stay between 2.3 and 2.7 V (P0E01-00 after 0.32 s), and readings of 0.5 V and lower, or 4.5 V and higher, held for 0.2 s set P0E02-00 or P0E03-00. P0E00 is meant for circuit faults outside these categories. Without the signal the inverter cannot regulate generator torque properly. Phases V and W are P0E04 and P0E08.

Likely causes

Supply or reference fault of the current sensor

Defective phase U current sensor inside the inverter

Faulty internal connection between sensor and control board

Symptoms

Hybrid system warning and engine warning light
Generator switched off, reduced performance
Vehicle may not reach ready mode

Repair estimate

DifficultyShop_onlyWorkshop job

Parts and labour€150–4,500

Time1–5 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

generator phase u current sensorwiring harnesshybrid control module

References: law.cornell.edu, mitsubishitechinfo.com, mitsubishitechinfo.com.