OBD Guide

P00AF

Turbocharger/Supercharger Boost Control A Module Performance

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine operation
  • Check Engine Light Illuminates

Causes

  • Turbocharger control module malfunction
  • Problems with wiring or connectors
  • Boost pressure sensor malfunction
  • Mechanical damage to the turbine or supercharger

How to Fix

  1. Check the condition of the wiring and connectors of the control module
  2. Test the control module using diagnostic equipment
  3. Replace the control module if necessary
  4. Check the condition of the turbine or supercharger

Related codes

Error P00AF by Vehicle Brand