OBD Guide

P2447

AIR System Pump Stuck Off Bank 2

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