Powertrain
generic / SAE
P2B23
Hybrid/EV Electronics Coolant Temperature Sensor B Circuit High
The vehicle hybrid control module detects a circuit high fault on the coolant temperature sensor B that monitors the power electronics cooling loop.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / 23
Possible causes
- Signal wire shorted to B+ high
- Open sensor medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–600 €
- Estimated time: 0.5–3 h
- Component: hybrid electronics coolant temp sensor b
- Component: wiring harness
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012