Code result
P2D9E
High Voltage System Voltage Low
High severity
What it means
The high-voltage system voltage is below the expected window. HV battery output drops, isolation event, or loaded too heavily.
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
HV battery cells aged
highOne of the most commonly reported causes for this code — check this first.
BMS regulation outside calibration
mediumA plausible cause — test and verify before replacing parts.
Related help
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