Powertrain
generic / SAE
P2AD4
Intermediate System Voltage Low
The intermediate (DC-link) system voltage in the hybrid power electronics is below the expected window. Common in HEV/EV inverter circuits when the DC bus drops under load.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / D4
Possible causes
- HV battery output low under load high
- DC-link capacitor aged - increased ESR medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 500–3500 €
- Estimated time: 3–12 h
- Component: dc link capacitor
- Component: hv battery
- Component: inverter
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012