P0572 OBD-II: Brake Switch "A" Circuit Low
P0572 Severity
Should you fix P0572 yourself?
Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.
Proper diagnosis will save you time and money on unnecessary repairs.
Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.
What causes OBD-II fault code P0572?
The Brake Switch tells the engine control module (PCM) that the brake pedal is depressed. This switch also controls the brake lights. If the PCM detects the vehicle is slowing down without the brake light switch telling the PCM the pedal is depressed, the PCM will set code P0572.
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OBD II Fault Code
- OBD II P0572
OBD-II Code Cruise control will not operate is defined as a Brake Switch "A" Circuit Low
The Brake Switch tells the engine control module (PCM) that the brake pedal is depressed. This switch also controls the brake lights. If the PCM detects the vehicle is slowing down without the brake light switch telling the PCM the pedal is depressed, the PCM will set code P0572.
Cruise control will not operate Symptoms
- Brake lights may not illuminate
- Cruise control will not operate
Common Problems That Trigger the P0572 Code
- Brake switch failure
- Powertrain Control Module (PCM) failure
- Wiring issue
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