OBD Guide

P01FA

Turbocharger Outlet Pressure Sensor B Circuit

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Switching to emergency mode
  • Unstable turbine operation
  • Check Engine Light Is On

Causes

  • Open or short circuit in the sensor circuit
  • Turbine pressure sensor malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Problems with the ECU

How to Fix

  1. Check the sensor circuit for open and short circuits
  2. Inspect connectors and terminals for corrosion or damage
  3. Check the functionality of the turbine pressure sensor
  4. If necessary, replace the sensor or repair the wiring harness
  5. Clear error codes and test drive to check

Related codes

Error P01FA by Vehicle Brand