Code result
P258C
Vacuum Pump Control Circuit A Low
Moderate severity
What it means
The electric vacuum pump control circuit reads stuck low — short to ground or low-side driver stuck on. The pump may run continuously, drawing current and overheating, until the ECM disables the channel.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Control wire shorted to ground
highOne of the most commonly reported causes for this code — check this first.
Related help
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