OBD Guide

P2447

AIR System Pump Stuck Off Bank 2

P2447 is an OBD-II diagnostic trouble code meaning: AIR System Pump Stuck Off Bank 2. Common causes: seized secondary air pump, open or short circuit in the pump circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Increase in harmful emissions
  • Noise or lack of operation of the secondary air pump
  • Reduced catalytic converter efficiency
  • Possible problems with idle speed

Causes

  • Seized secondary air pump
  • Open or short circuit in the pump circuit
  • Faulty pump relay
  • Wiring Harness Problems
  • Engine ECU malfunction

How to Fix

  1. Check the mechanical condition of the pump
  2. Check the integrity of the pump electrical circuit
  3. Check the functionality of the pump relay
  4. Check connections and wiring harness
  5. If necessary, replace the secondary air pump

Related codes

Error P2447 by Vehicle Brand

FAQ

What does the P2447 code mean?

P2447 is an OBD-II diagnostic trouble code that indicates: AIR System Pump Stuck Off Bank 2

What causes a P2447 error code?

The most common causes of P2447 include: Seized secondary air pump; Open or short circuit in the pump circuit; Faulty pump relay; Wiring Harness Problems.

How do I fix a P2447 diagnostic trouble code?

To fix P2447: Check the mechanical condition of the pump. Check the integrity of the pump electrical circuit. Check the functionality of the pump relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2447?

Yes, but get it checked soon

How much does it cost to fix P2447?

The estimated repair cost for P2447 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat