C050D – BMW DTC

BMW DTC C050D – Left Rear Wheel Speed Sensor Range/Performance

DTC C050D meaning on BMW

DTC C050D on a BMW indicates a fault with the left rear wheel speed sensor’s range or performance. The vehicle’s onboard diagnostic system has detected that the signal from the sensor is outside the expected parameters, potentially affecting the proper functioning of the vehicle’s stability control system.

BMW DTC C050D symptoms

Symptoms of DTC C050D on a BMW may include:

• ABS warning light illuminated on the dashboard
• Traction control system malfunction
• Stability control system intervention or failure
• Irregular braking behavior

BMW DTC C050D causes

Common causes of DTC C050D on a BMW include:

• Defective left rear wheel speed sensor
• Damaged or corroded sensor wiring or connectors
• Faulty ABS control module
• Interference from other electronic components

BMW DTC C050D seriousness

The seriousness of DTC C050D on a BMW lies in its potential to compromise the vehicle’s stability and traction control systems. Ignoring this fault can lead to unsafe driving conditions, reduced handling performance, and compromised braking effectiveness.

How to diagnose DTC C050D on BMW

To diagnose DTC C050D on a BMW, follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s system.
2. Inspect the left rear wheel speed sensor for damage or contamination.
3. Check the sensor wiring and connectors for any signs of wear, corrosion, or disconnection.
4. Perform a visual inspection of the ABS control module and related components.
5. Test the sensor’s output signal using a multimeter or oscilloscope.

How to fix DTC C050D on BMW

To fix DTC C050D 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 damaged sensor wiring or connectors.
3. Inspect and, if necessary, replace the ABS control module.
4. Clear the fault codes using a diagnostic scanner after completing the repairs.
5. Perform a road test to ensure the issue has been resolved and the warning lights are no longer illuminated.

How to erase DTC C050D on BMW

To erase DTC C050D on a BMW, follow these steps:

1. Connect a diagnostic scanner to the vehicle’s OBD-II port.
2. Access the scanner’s menu to clear the fault codes stored in the system.
3. Follow the on-screen prompts to confirm the deletion of the DTC C050D code.
4. Turn off the ignition and disconnect the scanner from the port.
5. Start the vehicle and ensure that the ABS warning light is no longer illuminated.

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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