DTC P0504: Brake Switch Correlation
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
P0504 - BRAKE SWITCH CORRELATION
| Description: | The PCM does a comparison test between the brake pedal switch (BPS) and the brake pedal position (BPP) switch. | ||
| Possible Causes: |
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| Diagnostic Aids: | Check the state of the BOO1 and BOO2 PIDs. The BOO1 PID is normally open and BOO2 PID is normally closed. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST FD . | ||