OBD-II code · Powertrain (generic)
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.
Is it safe to drive with P0B13?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOne sensor drifted
- PossibleGround offset between sensors
- Less likelyPack cell imbalance approaching service threshold
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–7 h
- Emissions test
- Usually unaffected
- Parts involved
- Hv Battery Pack Current Sensor A, Hv Battery Pack Current Sensor B, Bms
Related codes
- P0B10Hybrid/EV Battery Pack Current Sensor B Circuit Low
- P0B11Hybrid/EV Battery Pack Current Sensor B Circuit High
- P0B12Hybrid/EV Battery Pack Current Sensor B Circuit Intermittent/Erratic
- P0B14Hybrid/EV Battery Pack Voltage Sense B Circuit
- P0B15Hybrid/EV Battery Pack Voltage Sense B Circuit Range/Performance
- P0B16Hybrid/EV Battery Pack Voltage Sense B Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.