OBD Guide

P01FC

Turbocharger Outlet Pressure Sensor B Circuit Low

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

Symptoms

  • Loss of engine power
  • Increased fuel consumption
  • Rough engine operation
  • Check Engine Light Is On
  • The engine goes into emergency mode

Causes

  • Open or short circuit in the sensor wiring harness
  • Turbine outlet pressure sensor malfunction
  • Problems with sensor connectors
  • Engine control unit (ECU) malfunction
  • Mechanical problems in the turbocharging system

How to Fix

  1. Check the sensor wiring harness and connectors for damage.
  2. Check resistance and power supply of the sensor
  3. Replace the pressure sensor at the turbine outlet if necessary
  4. Check the integrity of the turbocharging system
  5. If necessary, flash or replace the ECU

Related codes

Error P01FC by Vehicle Brand