Powertrain
generic / SAE
P0DA9
Hybrid/EV Battery Voltage/Drive Motor B Inverter Voltage Correlation
The signals of the HV battery voltage and drive motor B inverter voltage do not correlate within the calibrated tolerance.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberD / A9
Possible causes
- One sensor characteristic drifted high
- Ground offset between channels medium
- Pack cell imbalance approaching service threshold low
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–700 €
- Estimated time: 0.5–3 h
- Component: hv battery voltage sensor
- Component: drive motor b inverter voltage sensor
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012