Code result
P2BE1
Hybrid/EV Battery Coolant Level Sensor Range/Performance
High severity
What it means
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?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Float stuck on guide rod
highOne of the most commonly reported causes for this code — check this first.
Sensor characteristic drifted
mediumA plausible cause — test and verify before replacing parts.
Sensor element aged beyond calibration window
lowLess common, but worth ruling out after the more likely causes.
Related help
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