Powertrain
generic / SAE
P0CB2
Hybrid/EV Battery Temperature Sensor O Circuit
The HV battery temperature sensor O reports a circuit fault. Cell-group temperature monitoring impaired on this channel.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberC / B2
Possible causes
- Temperature sensor failed high
- Wiring fault 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: medium
- DIY: shop recommended
- Estimated cost: 120–600 €
- Estimated time: 0.5–3 h
- Component: hv battery temp sensor o
- Component: wiring harness
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012