P2BE0
Hybrid/EV Battery Coolant Level Sensor Circuit/Open
The hybrid control module detects a circuit/open fault on the high-voltage battery coolant level sensor. Coolant loss in the battery loop cannot be detected reliably.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Common causes
Ordered by how often each turns out to be the cause.
- Open in sensor signal wireCommon
- Level sensor failedPossible
- Pin pushed back out of connector bodyLess likely
Parts involved
- Hybrid Battery Coolant Level Sensor
- Wiring Harness
- Bms
P2BE0 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.