Code result
P25EE
Vacuum Pump Control Circuit B / Open
Moderate severity
What it means
The controller cannot drive the secondary electric vacuum pump (B). Brake servo or HVAC actuators that depend on engine vacuum may not get enough vacuum during low-load operation or with engine off in stop-start mode.
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
Open pump motor winding or worn brushes
highOne of the most commonly reported causes for this code — check this first.
Broken control wire between ECU and pump
mediumA plausible cause — test and verify before replacing parts.
Related help
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