OBD Guide

P258B

Vacuum Pump Control Circuit A Range/Performance

P258B is an OBD-II diagnostic trouble code meaning: Vacuum Pump Control Circuit A Range/Performance. Common causes: vacuum pump malfunction, problems with the wiring harness or connectors. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Deterioration in the effectiveness of the braking system
  • Check Engine Light Is On
  • Reduced engine power
  • Unstable engine operation at idle

Causes

  • Vacuum pump malfunction
  • Problems with the wiring harness or connectors
  • Control module malfunction
  • Damaged or clogged vacuum hoses

How to Fix

  1. Check the vacuum pump for mechanical damage
  2. Check the integrity of the wiring harness and connectors
  3. Check control module
  4. Replace damaged vacuum hoses

Related codes

Error P258B by Vehicle Brand

FAQ

What does the P258B code mean?

P258B is an OBD-II diagnostic trouble code that indicates: Vacuum Pump Control Circuit A Range/Performance

What causes a P258B error code?

The most common causes of P258B include: Vacuum pump malfunction; Problems with the wiring harness or connectors; Control module malfunction; Damaged or clogged vacuum hoses.

How do I fix a P258B diagnostic trouble code?

To fix P258B: Check the vacuum pump for mechanical damage. Check the integrity of the wiring harness and connectors. Check control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P258B?

Limited driving only, diagnose soon

How much does it cost to fix P258B?

The estimated repair cost for P258B is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat