P0C02 code meaning
Drive Motor B Current
Powertrain system Generic code P0Cxx codes Check engine light
What P0C02 means
P0C02 is the general current code for drive motor B, the second electric machine, such as the second motor of a two-motor hybrid or the rear motor of an electric all-wheel-drive system. It applies to a current fault that is neither classed as low (P0C03) nor high (P0C04). No manufacturer documents this exact code publicly. CARB requires monitoring of electric motor performance. The documented relative is P0C04: GM checks the phase current of motor B against 600 to 725 A, and Stellantis lists P0C04 on the 2026 Wagoneer S and Cherokee with faulty three-phase cable joints. With P0C02 stored the controller usually cuts or limits the power of motor B. Inspect the phase cabling, the winding resistance and the inverter of motor B.
P0C02 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyWorkshop only
- Typical labor1 to 8 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P0C02
- Hybrid or electric drive warning lamp
- Reduced power or loss of all-wheel drive
- Limp mode
Common causes of P0C02
- PossibleLoose, corroded or damaged three-phase connection of motor B
- PossibleFault in the motor B inverter or its current measurement
- Less likelyDamaged stator winding of drive motor B
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Drive motor bDrive motor b inverter
What each part of P0C02 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| C | Area: hybrid propulsion. |
| 02 | The exact fault in that area. |
What to do next
- Note P0C02 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 P0C02
What does P0C02 mean?
P0C02 means "Drive Motor B Current". P0C02 is the general current code for drive motor B, the second electric machine, such as the second motor of a two-motor hybrid or the rear motor of an electric all-wheel-drive system. It is a generic code, so it means the same on every make.
Is it safe to drive with P0C02?
Drive gently and only to a workshop. With P0C02 the car can go into limp mode (reduced power) to protect itself.
Will P0C02 fail an emissions test?
Yes, it can. P0C02 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 P0C02 to fix?
Difficulty: workshop only. A typical repair takes 1 to 8 hours of work. This is a job for a workshop.
Will P0C02 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.