C1223 – BMW DTC

BMW DTC C1223 – Right Rear Wheel Speed Sensor Overspeed

DTC C1223 meaning on BMW

DTC C1223 on a BMW indicates an overspeed condition detected by the right rear wheel speed sensor. This means that the sensor has detected that the right rear wheel is rotating at a speed higher than expected, potentially causing issues with the vehicle’s stability control system.

BMW DTC C1223 symptoms

Symptoms of DTC C1223 on a BMW may include:

• ABS warning light illuminated on the dashboard
• Traction control system malfunction
• Unusual noises coming from the right rear wheel area
• Decreased stability and handling of the vehicle

BMW DTC C1223 causes

The overspeed condition detected by the right rear wheel speed sensor leading to DTC C1223 on a BMW can be caused by:

• Wheel speed sensor malfunction
• Wheel bearing issues
• Faulty wiring or connections
• ABS system failure

BMW DTC C1223 seriousness

DTC C1223 should be taken seriously as it can affect the vehicle’s stability and safety systems. Driving with this fault may compromise the effectiveness of the ABS and traction control systems, potentially leading to unsafe driving conditions.

How to diagnose DTC C1223 on BMW

To diagnose DTC C1223 on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes from the vehicle’s ABS system
2. Inspect the right rear wheel speed sensor for any visible damage or contamination
3. Check the wiring and connections related to the right rear wheel speed sensor
4. Perform a road test to observe the vehicle’s behavior and confirm the overspeed condition

How to fix DTC C1223 on BMW

To fix DTC C1223 on a BMW, you can try the following solutions:

1. Replace the right rear wheel speed sensor if it is found to be faulty
2. Inspect and replace the wheel bearing if necessary
3. Check and repair any damaged wiring or connections
4. If the ABS system is faulty, have it diagnosed and repaired by a professional

How to erase DTC C1223 on BMW

To erase DTC C1223 on a BMW, you can clear the fault codes using a diagnostic scanner. Follow these steps:

1. Connect the diagnostic scanner to the vehicle’s OBD-II port
2. Select the ABS system and locate the option to clear fault codes
3. Follow the on-screen prompts to erase the DTC C1223 code
4. Perform a final scan to ensure the fault code has been successfully cleared

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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