C0048 – BMW DTC

BMW DTC C0048 – Brake Booster Travel Sensor

DTC C0048 meaning on BMW

The DTC C0048 on a BMW refers to an issue with the Brake Booster Travel Sensor. This sensor is responsible for monitoring the movement of the brake booster, which assists in applying the brakes. When this sensor detects a problem, it triggers the C0048 diagnostic trouble code.

BMW DTC C0048 symptoms

Symptoms of the DTC C0048 on a BMW may include:

  • ABS warning light illuminated on the dashboard
  • Brake pedal feeling spongy or hard to press
  • Decreased braking performance

BMW DTC C0048 causes

The DTC C0048 on a BMW can be caused by various factors, including:

  • Faulty Brake Booster Travel Sensor
  • Wiring issues or loose connections
  • Brake booster malfunction

BMW DTC C0048 seriousness

The DTC C0048 related to the Brake Booster Travel Sensor is a serious issue as it directly affects the braking system of the vehicle. Ignoring this problem can lead to unsafe driving conditions and potential brake failure.

How to diagnose DTC C0048 on BMW

To diagnose the DTC C0048 on a BMW, you can follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Inspect the Brake Booster Travel Sensor for any visible damage
  3. Check the wiring and connections related to the sensor

How to fix DTC C0048 on BMW

To fix the DTC C0048 on a BMW, you may need to:

  1. Replace the faulty Brake Booster Travel Sensor
  2. Repair any damaged wiring or connections
  3. Test the brake booster for proper operation

How to erase DTC C0048 on BMW

To erase the DTC C0048 on a BMW, you can:

  1. Use a diagnostic scanner to clear the fault codes
  2. Ensure that the underlying issue causing the fault code has been resolved
  3. Perform a test drive to confirm that the ABS warning light does not reappear

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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