Powertrain
generic / SAE
P0ED1
Hybrid/EV Battery Multiple Sensor Voltage Correlation
The BMS detects that multiple HV battery voltage sensor readings disagree beyond calibration. SOC/SOH calculations unreliable.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberE / D1
Possible causes
- Sensor offsets drifted high
- Sense wire resistance high 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: hard
- DIY: shop recommended
- Estimated cost: 500–3500 €
- Estimated time: 3–12 h
- Component: hv battery pack voltage sensors
- Component: bms
- MIL / check engine light
- drive cycle required
- limp mode possible
Sources
References
sae:J2012