OBD Guide

P258C

Vacuum Pump Control Circuit A Low

P258C is an OBD-II diagnostic trouble code meaning: Vacuum Pump Control Circuit A Low. Common causes: open or short circuit in control circuit, vacuum pump malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Deterioration in braking performance
  • Unusual noises from the vacuum pump
  • Loss of engine power
  • Activating emergency mode

Causes

  • Open or short circuit in control circuit
  • Vacuum pump malfunction
  • Relay or fuse problems
  • Wiring harness damage
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the control circuit
  2. Check the condition of the vacuum pump
  3. Check relays and fuses
  4. Inspect the wiring harness for damage
  5. Diagnose the engine control unit

Related codes

Error P258C by Vehicle Brand

FAQ

What does the P258C code mean?

P258C is an OBD-II diagnostic trouble code that indicates: Vacuum Pump Control Circuit A Low

What causes a P258C error code?

The most common causes of P258C include: Open or short circuit in control circuit; Vacuum pump malfunction; Relay or fuse problems; Wiring harness damage.

How do I fix a P258C diagnostic trouble code?

To fix P258C: Check the integrity of the control circuit. Check the condition of the vacuum pump. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P258C?

Limited driving only, diagnose soon

How much does it cost to fix P258C?

The estimated repair cost for P258C is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat