P0572 Cadillac Code - Brake Switch Circuit Low Voltage
Quick Answer
The Brake Pedal Position Sensor signal circuit is a B+ input from the Body Control Module (BCM) to the Engine Control Module (ECM). Common causes include Faulty Brake Pedal Position Sensor, Misadjusted Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0572 Cadillac indicates Brake Switch Circuit Low Voltage.
- Common causes
- Common causes include Faulty Brake Pedal Position Sensor, Misadjusted Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0572 Cadillac Description
What are the Possible Causes of the DTC P0572 Cadillac?
- Faulty Brake Pedal Position Sensor
- Misadjusted Brake Pedal Position Sensor
- Brake Pedal Position Sensor harness is open or shorted
- Brake Pedal Position Sensor circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC P0572 Cadillac?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0572 Cadillac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0572 Cadillac Code
1. What does the OBDII code P0572 mean on a Cadillac?
P0572 indicates "Brake Switch Circuit Low Voltage," meaning the vehicle's computer has detected a lower-than-expected voltage signal from the brake switch circuit.
2. What are the common symptoms of code P0572 in a Cadillac?
Common symptoms include brake lights not working, cruise control malfunctions, the vehicle not shifting out of park, and the illumination of the check engine light.
3. What causes the P0572 code to appear on a Cadillac?
The code can be caused by a faulty brake light switch, damaged wiring or connectors in the brake switch circuit, a blown fuse, or a malfunctioning ECM.
4. Can I drive my Cadillac with the P0572 code active?
Driving with code P0572 is not recommended, as it may affect critical safety features like brake lights and cruise control, increasing the risk of an accident.
5. How do I diagnose the P0572 code on my Cadillac?
Start by inspecting the brake light switch and its wiring for damage or loose connections. Check the fuse for the brake light circuit and test the switch for proper voltage output.
6. How do I fix the P0572 code on a Cadillac?
Repairs may include replacing the faulty brake light switch, repairing damaged wiring or connectors, replacing a blown fuse, or, in rare cases, reprogramming or replacing the ECM.
7. How much does it cost to fix the P0572 code on a Cadillac?
Repair costs vary, but replacing a brake light switch typically costs between $50 and $200, including parts and labor. Wiring repairs may cost more, depending on the extent of the damage.
8. Can a dead battery cause the P0572 code in a Cadillac?
A dead or weak battery is unlikely to directly cause the P0572 code, but low voltage or electrical issues in the circuit might contribute to the problem.
9. Will clearing the P0572 code fix the issue?
Clearing the code will remove it temporarily, but the underlying issue must be resolved to prevent the code from returning.
10. Is the P0572 code related to the cruise control system on a Cadillac?
Yes, the P0572 code can disable the cruise control system since the brake switch is a critical component for its operation.
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