P0B0EHybrid/EV Battery Pack Current Sensor B Circuit
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- How the car detects it
- Many packs measure current with two channels or two sensors so the controller can cross-check them; sensor B is the second channel next to sensor A (P0ABF to P0AC3). P0B0E is its general circuit code. Toyota uses it as the base of internal codes on the 2020-25 RAV4 Hybrid: the sensor sends a voltage rising with current on channel IB0 (sensor A) and an inverse one on IB1 (sensor B). P0B0E11 (IB1 too low) and P0B0E15 (IB1 too high or open) are reported to a generic scan tool as P0B10 and P0B11, one trip, MIL on. GM monitors its fine-range channel B with P0B10, P0B11 and the A/B correlation P0B13. CARB requires circuit monitoring. State of charge then becomes uncertain.
- What you may notice
- MIL and hybrid system warning on
- Battery power limited, less electric assist
- Implausible state-of-charge display
- Likely causes
- LikelySignal or ground wire of channel B damaged or connector loose
- PossibleCurrent sensor or junction block with integrated sensor defective
- RareSensor supply voltage faulty
- RareBattery ECU input defective
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Workshop only · Usually a job for a workshop.Typical cost: €100 – €1,500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.