OBD Guide

C063B

Brake Pressure Sensor H Circuit Low

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • The ABS/ESP indicator on the dashboard is on
  • Deterioration in braking performance
  • Disabling the stabilization system (ESP)

Causes

  • Brake pressure sensor fault H
  • Open or short circuit in wiring harness
  • Poor contact in sensor connectors
  • Sensor power problems
  • Malfunction of the ABS/ESP control unit

How to Fix

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

Related codes

Error C063B by Vehicle Brand