OBD-II code · Powertrain (generic)
P0BC2 Hybrid/EV Battery Temperature Sensor E Circuit
The ECM detects a circuit fault on the hybrid/ev battery temperature sensor e circuit. Reading cannot be used reliably for control.
Is it safe to drive with P0BC2?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor failed
- PossibleWiring or connector fault
- 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
- Easy
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Hv Battery Temp Sensor E, Wiring Harness, Bms
Related codes
- P0A9BHybrid/EV Battery Temperature Sensor A Circuit
- P0AC5Hybrid/EV Battery Temperature Sensor B Circuit
- P0ACAHybrid/EV Battery Temperature Sensor C Circuit
- P0AE8Hybrid/EV Battery Temperature Sensor D Circuit
- P0C33Hybrid/EV Battery Temperature Sensor F Circuit
- P0BBFHybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit/Open
- P0BC0Hybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit Low
- P0BC1Hybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit High
- P0BC3Hybrid/EV Battery Temperature Sensor E Circuit Range/Performance
- P0BC4Hybrid/EV Battery Temperature Sensor E Circuit Low
- P0BC5Hybrid/EV Battery Temperature Sensor E Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.