OBD Guide

P25F6

AIR System B

P25F6 is an OBD-II diagnostic trouble code meaning: AIR System B. Common causes: air pump malfunction, open or short circuit in control circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Deterioration of environmental indicators
  • Increased fuel consumption
  • Unstable engine operation at idle
  • Noise from the AIR pump

Causes

  • AIR pump malfunction
  • Open or short circuit in control circuit
  • Clogged air ducts
  • AIR system valve malfunction
  • Problems with the control relay

How to Fix

  1. Check the operation of the AIR pump
  2. Inspect the control circuit for damage
  3. Check the condition of the air channels and valves
  4. Test control relay
  5. Replace faulty components

Related codes

Error P25F6 by Vehicle Brand

FAQ

What does the P25F6 code mean?

P25F6 is an OBD-II diagnostic trouble code that indicates: AIR System B

What causes a P25F6 error code?

The most common causes of P25F6 include: AIR pump malfunction; Open or short circuit in control circuit; Clogged air ducts; AIR system valve malfunction.

How do I fix a P25F6 diagnostic trouble code?

To fix P25F6: Check the operation of the AIR pump. Inspect the control circuit for damage. Check the condition of the air channels and valves. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P25F6?

Yes, but get it checked soon

How much does it cost to fix P25F6?

The estimated repair cost for P25F6 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat