What are the common causes of P258D?

Control wire shorted to voltage. Vacuum pump driver failed. Corroded pump connector. Open in the return or ground side. ECM driver fault holding the circuit high.

Command the vacuum pump on with a scan tool. Measure voltage on the pump A control wire. Inspect the pump connector for corrosion. Test the control wire for a short to voltage. Check the pump motor resistance. Clear the code and retest.

P258D

Vacuum Pump Control Circuit A High

System: Speed and idle control (P code)
Lamp: Check Engine Light
Category: Powertrain - Computer and Auxiliary Controls

What it means

P258D means Vacuum Pump Control Circuit A High.

Where it lives

For P258D, the pump sits on the circuit this code reports. The description of P258D reports a fault at the pump.

Check these first

Control wire shorted to voltage
Vacuum pump driver failed
Corroded pump connector
Open in the return or ground side
ECM driver fault holding the circuit high

What to do next

Command the vacuum pump on with a scan tool
Measure voltage on the pump A control wire
Inspect the pump connector for corrosion
Test the control wire for a short to voltage
Check the pump motor resistance
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.