C056D

Brake Pedal Position Sensor Supply Voltage Circuit Low

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

The brake system fault indicator lights up
Incorrect operation of ABS or ESP
Problems with the emergency braking system
Reduced braking performance

Causes

Broken or damaged wiring harness
Short circuit in power supply
Malfunction of the brake pedal position sensor
Problems with the brake system control unit
Contact corrosion

How to Fix

Check the integrity of the wiring harness
Check the voltage in the sensor power circuit
Inspect the sensor contacts for corrosion
Replace the brake pedal position sensor if necessary
Check the brake system control unit

Related codes

C056E C056F C1010