Powertrain
generic / SAE
P2BDB
Motor Electronics Coolant Temperature Sensor B Circuit High
The motor electronics coolant temperature sensor B reports a circuit high condition. Power electronics cooling cannot be regulated reliably.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / DB
Possible causes
- Signal wire shorted to B+ high
- Open sensor medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–300 €
- Estimated time: 0.3–1.5 h
- Component: motor electronics coolant temp sensor b
- Component: wiring harness
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012