Powertrain
generic / SAE
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberD / 3D
Possible causes
- DC-link capacitor cold characteristic high
- IGBT switching characteristic at cold medium
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–3000 €
- Estimated time: 1–10 h
- Component: drive motor a
- Component: inverter
- Component: hv battery
- MIL / check engine light
- drive cycle required
- limp mode possible
Sources
References
sae:J2012