C050C – BMW DTC

BMW DTC C050C – Left Rear Wheel Speed Sensor Circuit/Open

DTC C050C meaning on BMW

DTC C050C on a BMW indicates a fault with the Left Rear Wheel Speed Sensor Circuit being open or having a high resistance. The vehicle’s onboard diagnostic system has detected an issue with the electrical circuit of the left rear wheel speed sensor, which is crucial for the proper functioning of the vehicle’s stability control system.

BMW DTC C050C symptoms

Symptoms of DTC C050C on a BMW may include:

  • ABS warning light illuminated on the dashboard
  • Traction control system malfunction
  • Stability control system not functioning properly
  • Increased stopping distance during braking

BMW DTC C050C causes

Common causes of DTC C050C on a BMW include:

  • Faulty left rear wheel speed sensor
  • Corroded or damaged wiring in the circuit
  • Loose or poor connection at the sensor or control module
  • Defective ABS control module

BMW DTC C050C seriousness

The seriousness of DTC C050C on a BMW lies in the compromised safety systems of the vehicle. Issues with the wheel speed sensor circuit can affect the proper functioning of the ABS, traction control, and stability control systems, potentially leading to unsafe driving conditions and reduced vehicle stability.

How to diagnose DTC C050C on BMW

To diagnose DTC C050C on a BMW, follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes from the vehicle’s onboard computer.
  2. Inspect the left rear wheel speed sensor and its wiring for any visible damage or corrosion.
  3. Check the sensor’s resistance using a multimeter to determine if it falls within the specified range.
  4. Perform a visual inspection of the ABS control module and its connections for any issues.

How to fix DTC C050C on BMW

To fix DTC C050C on a BMW, consider the following steps:

  1. Replace the left rear wheel speed sensor if it is found to be faulty.
  2. Repair or replace any damaged or corroded wiring in the circuit.
  3. Ensure all connections at the sensor and control module are secure and free of debris.
  4. If necessary, replace the ABS control module to address any internal faults.

How to erase DTC C050C on BMW

To erase DTC C050C on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. After performing the necessary repairs and ensuring the issue has been resolved, use the scanner to reset the system and erase the fault code. This will turn off the warning light on the dashboard and allow the vehicle’s systems to operate normally.

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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