C05C0

Brake Pedal Position Sensor A Not Learned

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

The brake warning light is on
Incorrect operation of the brake booster
Brake Assist does not work
The brake pedal may feel unusual
It is possible to disable cruise control or adaptive cruise control

Causes

Learning procedure not completed after replacing components
Replacing the pedal position sensor without subsequent calibration
Replacing the brake system control unit
Resetting adaptive data when the battery is disconnected for a long time
Updating the control unit firmware

How to Fix

Connect a diagnostic scanner with brake system support
Find the menu item “Brake Pedal Position Sensor Learning” or “Brake Pedal Position Sensor Learning”
Follow the instructions: Usually you need to press and release the brake pedal several times
Verify that the sensor readings change correctly from 0 to 100%
Reset the error code after successful training
Perform a test drive to verify correct operation

Related codes

C05C1 C05C2 B1342