Brake Pedal Switch Circuit Malfunction
Table of contents
P1572 MAZDA Possible Causes
- Faulty Brake Pedal Switch
- Blown fuse
- Brake Pedal Switch harness is open or shorted
- Brake Pedal Switch circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How do I fix code P1572 MAZDA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1572 MAZDA code
The cost of diagnosing the P1572 MAZDA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1572 MAZDA Description
Indicates that the brake input rationality test for Brake Pedal Position (BPP) and Brake Pressure Applied (BPA) switches has failed. One or both inputs to the Powertrain Control Module (PCM) did not change state when it was expected to. On vehicles with stability assist. BPP is connected to the ABS module and the ABS generates a Driver Brake Application (DBA) signal, which is then sent to the PCM.