OBD-II code · Powertrain (generic, extended)
P2BE1 Hybrid/EV Battery Coolant Level Sensor Range/Performance
The hybrid control module detects a range/performance fault on the high-voltage battery coolant level sensor. Coolant loss in the battery loop cannot be detected reliably.
Is it safe to drive with P2BE1?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyFloat stuck on guide rod
- PossibleSensor characteristic drifted
- Less likelySensor element aged beyond calibration window
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Hybrid Battery Coolant Level Sensor, Wiring Harness, Bms
Related codes
- P2BDEMotor Electronics Coolant Temperature Sensor C Circuit Low
- P2BDFMotor Electronics Coolant Temperature Sensor C Circuit High
- P2BE0Hybrid/EV Battery Coolant Level Sensor Circuit/Open
- P2BE2Hybrid/EV Battery Coolant Level Sensor Circuit Low
- P2BE3Hybrid/EV Battery Coolant Level Sensor Circuit High
- P2BE4Hybrid/EV Battery Pack Current Sensor C Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.