BMW DTC P0724 – Brake Switch ‘B’ Circuit High
DTC P0724 meaning on BMW
The DTC P0724 code on a BMW indicates a problem with the Brake Switch ‘B’ Circuit being detected as high. This means that the signal from the brake switch is registering as continuously on or stuck in the closed position, even when the brake pedal is not being pressed.
BMW DTC P0724 symptoms
Symptoms of a DTC P0724 on a BMW may include:
- Brake lights staying on constantly
- Cruise control not working
- Difficulty shifting out of park
BMW DTC P0724 causes
Common causes of a DTC P0724 on a BMW include:
- Faulty brake light switch
- Short circuit in the brake light switch wiring
- Brake switch misalignment
BMW DTC P0724 seriousness
While a DTC P0724 may not directly affect the drivability of the vehicle, it can pose a safety hazard as it may lead to confusion for other drivers on the road due to the brake lights staying on continuously. It is important to address this issue promptly.
How to diagnose DTC P0724 on BMW
To diagnose a DTC P0724 on a BMW, you can:
- Use a diagnostic scanner to read the fault codes
- Inspect the brake light switch and its wiring for any visible damage
- Test the brake switch for proper operation
How to fix DTC P0724 on BMW
To fix a DTC P0724 on a BMW, you can:
- Replace the faulty brake light switch
- Repair any damaged wiring in the brake switch circuit
- Adjust the brake switch alignment if necessary
How to erase DTC P0724 on BMW
To erase a DTC P0724 on a BMW, you can:
- Use a diagnostic scanner to clear the fault codes
- After fixing the underlying issue, drive the vehicle to allow the system to recheck and verify that the fault code does not return
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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