OBD-II code · Powertrain (generic, extended)
P2BD9 Motor Electronics Coolant Temperature Sensor B Range/Performance
The motor electronics coolant temperature sensor B reports a range/performance condition. Power electronics cooling cannot be regulated reliably.
Is it safe to drive with P2BD9?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor characteristic drifted
- PossibleSensor mounting displaced
- Less likelySensor element aged beyond calibration window
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Motor Electronics Coolant Temp Sensor B, Wiring Harness, Hybrid Control Module
Related codes
- P2BDDMotor Electronics Coolant Temperature Sensor C Range/Performance
- P2BD6Motor Electronics Coolant Pump C Control Circuit High
- P2BD7Motor Electronics Coolant Pump C Control Performance
- P2BD8Motor Electronics Coolant Temperature Sensor B Circuit
- P2BDAMotor Electronics Coolant Temperature Sensor B Circuit Low
- P2BDBMotor Electronics Coolant Temperature Sensor B Circuit High
- P2BDCMotor Electronics Coolant Temperature Sensor C Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.