P0571 – BMW DTC

BMW DTC P0571 – Brake Switch ‘A’ Circuit

DTC P0571 meaning on BMW

The Diagnostic Trouble Code (DTC) P0571 for BMW refers to an issue with the Brake Switch ‘A’ Circuit. This code indicates that there is a malfunction in the electrical circuit associated with the brake light switch.

BMW DTC P0571 symptoms

Symptoms of DTC P0571 on a BMW may include:

  • Brake lights not working
  • Cruise control not engaging
  • Difficulty shifting out of park
  • Check Engine Light illuminated

BMW DTC P0571 causes

Common causes of DTC P0571 on a BMW include:

  • Defective brake light switch
  • Faulty wiring or connectors in the brake light circuit
  • Brake light switch misalignment

BMW DTC P0571 seriousness

While DTC P0571 may not directly affect the drivability of the vehicle, it is important to address this issue promptly as it can compromise safety by affecting brake light operation and other related systems.

How to diagnose DTC P0571 on BMW

To diagnose DTC P0571 on a BMW, you can perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code
  2. Inspect the brake light switch for proper operation
  3. Check the wiring and connectors for any damage or corrosion
  4. Test the brake light circuit for continuity

How to fix DTC P0571 on BMW

To fix DTC P0571 on a BMW, you can try the following solutions:

  1. Replace the faulty brake light switch
  2. Repair or replace any damaged wiring or connectors
  3. Adjust the brake light switch alignment if necessary

How to erase DTC P0571 on BMW

To erase DTC P0571 on a BMW, you can clear the fault code using a diagnostic scanner or by disconnecting the vehicle’s battery for a few minutes. However, it is recommended to address the root cause of the issue before clearing the code to prevent it from reoccurring.