Code result
P2D58
Generator B Mechanical Performance
High severity
What it means
Generator B does not deliver the expected mechanical-to-electrical conversion. Bearing wear, drive coupling slip, or rotor imbalance.
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
Generator bearing worn
highOne of the most commonly reported causes for this code — check this first.
Drive coupling slip
mediumA plausible cause — test and verify before replacing parts.
Related help
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