P0571 Fault in the brake light switch
P0571 means: Fault in the brake light switch. The brake light switch tells the car whether the brake pedal is pressed. Drive gently and have the car checked soon. The repair usually costs about €30–120 in Estonia. The most common cause: switch has failed or is out of adjustment.
What it means
The brake light switch tells the car whether the brake pedal is pressed. With this fault the brake lights or cruise control may not work.
What could be wrong
- 1Switch has failed or is out of adjustment
- 2Wire or connector
- 3Brake light bulb or fuse
What you can check yourself
Check that the brake lights come on. A faulty switch can also stop the gear selector from leaving Park. You can do the simpler checks yourself.
How we fix it
- We check the switch with a diagnostic tool
- We adjust or replace the switch
- We check the bulbs and fuse
Standard SAE description: Brake Switch A Circuit