Code result
P2E46
Hybrid/EV Electronics Coolant Pump B Overspeed - Dry Run
High severity
What it means
Hybrid/EV electronics coolant pump B reports a overspeed - dry run condition. Power electronics cooling on this branch is impaired.
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
Pump motor or driver fault
highOne of the most commonly reported causes for this code — check this first.
Air or coolant level issue
mediumA plausible cause — test and verify before replacing parts.
Related help
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