C0588

Brake Booster Motor A Position Sensor Circuit Low

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Increased brake pedal force
Reduced braking performance
Brake system fault light comes on
Unstable operation of the brake booster

Causes

Open or short circuit in wiring harness
Poor contact in the sensor connector
Brake booster motor position sensor malfunction
Problems with the brake booster motor
Malfunction of the brake system control unit

How to Fix

Check wiring harness for damage
Inspect the sensor and control unit connectors
Check the resistance and voltage in the sensor circuit
Replace the brake booster motor position sensor if necessary
Check the operation of the brake booster motor
Reset the error and check the system after repair

Related codes

C0589 C0590 C0051