Code result
P2D59
Generator B Over Temperature
High severity
What it means
Generator B reports temperature above the protection threshold. Sustained high load or cooling path obstruction.
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
Sustained high generator load
highOne of the most commonly reported causes for this code — check this first.
Cooling path blocked
mediumA plausible cause — test and verify before replacing parts.
Related help
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