P0724 Audi Code - Brake Switch 'B' Circuit High
Quick Answer
This brake switch send a signal to the Engine Control Module (ECM). Common causes include Faulty Brake Switch, Brake Switch harness is open or shorted, Brake Switch circuit poor electrical connection. 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
- P0724 Audi indicates Brake Switch 'B' Circuit High.
- Common causes
- Common causes include Faulty Brake Switch, Brake Switch harness is open or shorted, Brake Switch circuit poor electrical connection.
- 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 P0724 Audi Description
What are the Possible Causes of the DTC P0724 Audi?
- Faulty Brake Switch
- Brake Switch harness is open or shorted
- Brake Switch circuit poor electrical connection
- Misadjusted Brake Switch
How to Fix the DTC P0724 Audi?
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 P0724 Audi 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 P0724 Audi Code
1. What does the OBDII code P0724 mean on an Audi?
P0724 indicates a high voltage condition in the Brake Switch 'B' Circuit, typically related to the brake light switch or its associated wiring.
2. What are the common symptoms of code P0724 on an Audi?
Symptoms may include illuminated warning lights (e.g., check engine or ABS), non-functional brake lights, cruise control issues, and difficulty shifting out of park.
3. What causes the P0724 code to appear on an Audi?
Common causes include a faulty brake light switch, damaged or corroded wiring, a blown fuse, or a malfunctioning brake pedal sensor.
4. Can I drive my Audi with the P0724 code?
While the car may still be drivable, it's not recommended as the brake lights may not function properly, posing a safety risk to you and others.
5. How do I fix the P0724 code on an Audi?
Repairs may involve replacing the brake light switch, repairing damaged wiring, checking fuses, or recalibrating the brake pedal sensor.
6. How do I test the brake light switch to diagnose P0724?
You can use a multimeter to check for proper continuity and voltage at the brake light switch while pressing and releasing the brake pedal.
7. Is the P0724 code related to the ABS system on an Audi?
Yes, the P0724 code can sometimes affect the ABS system since the brake light switch plays a role in various vehicle systems, including ABS functionality.
8. How much does it cost to fix the P0724 code on an Audi?
The cost can vary, but replacing the brake light switch typically costs between $50 and $150 for parts and labor, depending on your location and model.
9. Can a dead battery cause the P0724 code on an Audi?
A dead or weak battery is unlikely to cause this code directly, but electrical issues or voltage irregularities from the battery can sometimes affect the brake switch circuit.
10. Will clearing the P0724 code with a scanner fix the issue?
Clearing the code may turn off the warning light temporarily, but the underlying issue must be fixed to prevent the code from returning.
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