Powertrain
generic / SAE
P0B13
Hybrid/EV Battery Pack Current Sensor A/B Correlation
The signals of HV battery pack current sensors A and B do not correlate within the calibrated tolerance. Sensor drift or harness offset.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberB / 13
Possible causes
- One sensor drifted high
- Ground offset between sensors 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: 300–2000 €
- Estimated time: 2–7 h
- Component: hv battery pack current sensor a
- Component: hv battery pack current sensor b
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012