BMW DTC C0579 – Brake Booster Temperature Sensor ‘B’ Circuit Low
DTC C0579 meaning on BMW
DTC C0579 on a BMW refers to the Brake Booster Temperature Sensor ‘B’ Circuit Low. This diagnostic trouble code indicates that the brake booster temperature sensor circuit is reading a lower than expected voltage, which can affect the brake system’s performance.
BMW DTC C0579 symptoms
Symptoms of DTC C0579 on a BMW may include:
- Brake system warning light illuminated on the dashboard
- Decreased brake performance
- Increased stopping distance
BMW DTC C0579 causes
Common causes of DTC C0579 on a BMW include:
- Faulty brake booster temperature sensor
- Wiring or connection issues in the sensor circuit
- Corrosion or damage to sensor components
BMW DTC C0579 seriousness
DTC C0579 should be addressed promptly as it can affect the proper functioning of the brake system. Ignoring this code may lead to compromised braking performance and safety risks.
How to diagnose DTC C0579 on BMW
To diagnose DTC C0579 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes from the vehicle’s computer.
- Inspect the brake booster temperature sensor and its wiring for any visible damage or corrosion.
- Test the sensor’s resistance and voltage output to determine if it is functioning correctly.
How to fix DTC C0579 on BMW
To fix DTC C0579 on a BMW, you can try the following:
- Replace the brake booster temperature sensor if it is found to be faulty.
- Repair any damaged wiring or connections in the sensor circuit.
- Clean or replace any corroded sensor components.
How to erase DTC C0579 on BMW
To erase DTC C0579 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. Once the issue has been addressed and fixed, clearing the codes will reset the system and turn off the warning light.
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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