P0571 - Brake Switch A Circuit
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2017 Lincoln Navigator, 2017 Lincoln MKZ, 2017 Lincoln MKX, 2017 Lincoln MKT, and 2017 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
P0571 - BRAKE SWITCH A CIRCUIT
| Description: | This DTC sets when the brake switch does not toggle during the key ON engine running (KOER) test. | ||
| Possible Causes: |
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| Diagnostic Aids: | Using the scan tool, check the BPP/BOO PID. The BPP/BOO PID should toggle on and off with brake pedal activation. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test FD . | ||