Brake Pedal Switch Circuit Malfunction
Table of contents
P1572 INFINITI Possible Causes
- Faulty Brake Pedal Switch
- Faulty stop lamp switch
- Brake Pedal Switch harness is open or shorted
- Brake Pedal Switch circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How do I fix code P1572 INFINITI?
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 INFINITI code
The cost of diagnosing the P1572 INFINITI 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.
When is the code detected
When the vehicle speed is above 30 km/h (19 MPH), ON signals from the stop lamp switch and the Automatic Speed Control Device (ASCD) brake switch are sent to the The Engine Control Module (ECM) at the same time.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1572 INFINITI Description
When the brake pedal is depressed, Automatic Speed Control Device (ASCD) brake switch is turned OFF and stop lamp switch is turned ON. The Engine Control Module (ECM) detects the state of the brake pedal by this input of two kinds (ON/OFF signal).