P0EDB code meaning
Generator Phase Z Current Low
Powertrain system Generic code P0Exx codes Check engine light
What P0EDB means
P0EDB means phase Z of the hybrid generator shows less current than the commanded operating point calls for. No manufacturer documents P0EDB publicly. Besides an absolute floor, published checks also look at the gap between actual and target current: Mitsubishi's Outlander PHEV fails a U-V-W phase not only when it hovers near zero under demand but also when it misses its target current. If phase Z falls short, the machine runs unbalanced, which causes torque ripple, humming and extra heat in the remaining phases, so the inverter lowers generator power. Likely causes are a loose or corroded high-voltage terminal, a broken lead in the winding, a power switch that no longer conducts or a sensor offset. High counterpart: P0EDC; general code: P0EDA.
P0EDB at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyWorkshop only
- Typical labor1 to 8 hours
- Clears after repairAfter a drive cycle
Symptoms of P0EDB
- Humming or vibration from the hybrid transaxle
- Reduced generator power and charging
- MIL and hybrid warning
Common causes of P0EDB
- Most likelyLoose or corroded phase Z high-voltage terminal
- PossiblePower switch for phase Z no longer conducting
- Less likelyBroken conductor in the phase Z winding
- Less likelyPhase Z current sensor offset
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Generator phase zInverter
What each part of P0EDB means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| DB | The exact fault in that area. |
What to do next
- Note P0EDB and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P0EDB
What does P0EDB mean?
P0EDB means "Generator Phase Z Current Low". P0EDB means phase Z of the hybrid generator shows less current than the commanded operating point calls for. It is a generic code, so it means the same on every make.
Is it safe to drive with P0EDB?
Drive gently and only to a workshop. With P0EDB the car can go into limp mode (reduced power) to protect itself.
Will P0EDB fail an emissions test?
Yes, it can. P0EDB is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P0EDB to fix?
Difficulty: workshop only. A typical repair takes 1 to 8 hours of work. This is a job for a workshop.
Will P0EDB clear itself after the repair?
After the repair the car has to complete a drive cycle (a mix of city and highway driving) before the test runs again. Until then the readiness monitor shows "not ready", which can fail an inspection.