OBD code C0050 indicates a fault with the Right Rear Wheel Speed Sensor in the AntiLock Brake System (ABS).
Symptoms include the ABS warning light and engine light being illuminated.
Common causes are a faulty sensor, open or shorted sensor harness, poor electrical connection, or a faulty Electronic Brake Control Module (EBCM).
This issue should be addressed promptly to ensure safe braking operation.
A possible fix involves inspecting and repairing the sensor, harness, and connections as needed.
Repair Importance Level | 10.0 (Out of 10) |
Estimated Repair Time | Approximately 1.0 hour |
Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the c0050 OBD Code
The vehicle displays a warning light indicating an issue with the rear wheel speed sensor circuit (C0050).
- When OBD code C0050 occurs, you may notice the AntiLock Brake System (ABS) Warning Light ON.
- The Engine Light may also be illuminated (or Service Engine Soon Warning Light).
Causes of the c0050 OBD Code
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Possible issues with the wheel speed sensor or its circuit can trigger fault code C0050.
- C0050 can be caused by a Faulty Right Rear Wheel Speed Sensor.
- A Right Rear Wheel Speed Sensor harness that is open or shorted.
- A Right Rear Wheel Speed Sensor circuit with a poor electrical connection.
- Or a Faulty Electronic Brake Control Module (EBCM).
Fixing Error Code c0050 Step By Step
To address fault code C0050, inspect the wheel speed sensor and related wiring for faults.
- To fix OBDII code C0050, start by reviewing the possible causes related to this code.
- Visually examine the wiring harness and connectors associated with the ABS control module.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If any issues are found during the inspection, repair or replace the damaged wiring or connectors as necessary.
- Clear the fault code using a scan tool and test drive the vehicle to ensure the issue has been resolved.
Cost Of Fixing c0050 Fault Code
Diagnosing and repairing fault code C0050 may involve inspecting and possibly replacing the rear wheel speed sensor.
The cost to diagnose and fix OBD code C0050 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.
Costs depend on labor rates, shop fees, and the complexity of the repair.
Details of the c0050 OBD Code
Code C0050 indicates a malfunction in the right rear wheel speed sensor circuit.
OBD code C0050 indicates an issue with the right rear wheel speed sensor circuit.
This code is triggered by the Electronic Brake Control Module (EBCM) when it detects a fault in the circuit related to the right rear wheel speed sensor.
The wheel speed sensors are crucial components of the ABS system, providing data on wheel speed to the EBCM for proper ABS operation.
When the EBCM detects a fault in the circuit of the right rear wheel speed sensor, it sets code C0050 to indicate the problem.
Mechanic’s Tech Notes
Code C0050 indicates an issue with the right rear wheel speed sensor circuit.
OBDII code C0050 indicates a problem with the Electronic Brake Control Module (EBCM).
To diagnose, check the power and ground to the EBCM using a voltmeter.
Use a scan tool to confirm communication over the CAN network.
Inspect the wiring harness and connectors for any damage, and ensure connector pins are not broken, bent, or corroded.
Reflash the module if necessary.
This process helps identify and address issues related to the EBCM, ensuring proper functioning of the brake system.
FAQ
OBD code C0050 indicates an issue with the Right Rear Wheel Speed Sensor circuit. Check sensor, wiring, and connectors for faults to resolve ABS and Engine Light warnings.
Common symptoms for OBD code C0050 include ABS warning light on, engine light on, caused by faulty right rear wheel speed sensor or wiring issues.
Diagnose OBD code C0050 by checking the right rear wheel speed sensor and its wiring for faults. Inspect connectors for damage or corrosion.

Wrap Up
If your ABS light is on and you see OBDII code c0050, it may indicate a malfunction in the rear wheel speed sensor circuit.
This could be caused by a faulty wheel speed sensor, damaged wiring, or poor connections at the sensor or module.
To address OBDII code c0050, start by inspecting the rear wheel speed sensor and its wiring for any visible damage.
Test the sensor’s resistance and check for proper voltage supply.
Ensure connectors are clean, secure, and free of corrosion.
Replace the sensor if necessary.