P2D3D
Cold Start Hybrid/EV Drive Motor Inverter Torque Performance
During cold start, the inverter cannot deliver commanded torque to the drive motor within the expected window. Cold capacitor characteristic or switching loss elevated.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Common causes
Ordered by how often each turns out to be the cause.
- DC-link capacitor cold characteristicCommon
- IGBT switching characteristic at coldPossible
Parts involved
- Drive Motor A
- Inverter
- Hv Battery
P2D3D is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.