Code result
P0A79
Drive Motor B Inverter Performance
High severity
What it means
The drive motor B inverter does not deliver the expected power conversion. Switching loss elevated, gate driver fault, or capacitor degraded.
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
IGBT switching characteristic degraded
highOne of the most commonly reported causes for this code — check this first.
DC-link capacitor aged
mediumA plausible cause — test and verify before replacing parts.
Related help
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