P2BDE
Motor Electronics Coolant Temperature Sensor C Circuit Low
The motor electronics coolant temperature sensor C reports a circuit low condition. Power electronics cooling cannot be regulated reliably.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: easy
Common causes
Ordered by how often each turns out to be the cause.
- Signal wire shorted to groundCommon
- Internal sensor shortPossible
- Connector pins corroded - high contact resistanceLess likely
Parts involved
- Motor Electronics Coolant Temp Sensor C
- Wiring Harness
- Hybrid Control Module
P2BDE is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.