P2E26 code meaning
Drive Motor A Phase Z Current Sensor Circuit High
Powertrain system Generic code P2Exx codes Check engine light
What P2E26 means
P2E26 reports a phase Z current sensor signal of drive motor A that sits above its permitted range. No manufacturer documents P2E26 publicly. The consequence goes beyond one lost reading: in GM's eAssist table the overcurrent check P0C01 and the missing-phase check P0C05 only run while no current sensor code is active, and current control falls back to a mode that ignores the sensors. The inverter therefore loses part of its own protection and has to hold back torque. GM's U-phase high limit there is 440 A, two-trip Type B. Causes on the measuring side include the signal touching the supply line or an interrupted ground return; true overcurrent in phase Z is P2C71. A Mitsubishi Electric patent names Z as the third phase of a separately controlled second set. Low side: P2E25.
P2E26 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyWorkshop only
- Typical labor1 to 6 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P2E26
- Hybrid warning lamp and MIL
- Electric drive torque clearly reduced
- Vehicle continues only in a reduced-power mode
Common causes of P2E26
- Most likelyPhase Z signal shorted to the sensor supply
- PossibleOpen ground of the phase Z sensor
- PossiblePhase Z current sensor failed high
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Drive motor a phase z current sensorWiring harnessHybrid control module
What each part of P2E26 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 26 | The exact fault in that area. |
What to do next
- Note P2E26 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 P2E26
What does P2E26 mean?
P2E26 means "Drive Motor A Phase Z Current Sensor Circuit High". P2E26 reports a phase Z current sensor signal of drive motor A that sits above its permitted range. It is a generic code, so it means the same on every make.
Is it safe to drive with P2E26?
Drive gently and only to a workshop. With P2E26 the car can go into limp mode (reduced power) to protect itself.
Will P2E26 fail an emissions test?
Yes, it can. P2E26 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 P2E26 to fix?
Difficulty: workshop only. A typical repair takes 1 to 6 hours of work. This is a job for a workshop.
Will P2E26 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.