OBD Guide

C0571

Brake Pressure Sensor C Circuit Low

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

Symptoms

  • ABS/ESP indicator is on
  • Reduced braking performance
  • Disabling the stabilization system

Causes

  • Brake pressure sensor fault C
  • Open or short circuit in wiring harness
  • Poor contact in the sensor connector
  • Sensor power problems

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Check the contacts in the sensor connector
  3. Measure resistance and voltage at the sensor
  4. Replace brake pressure sensor if necessary

Related codes

Error C0571 by Vehicle Brand