U2423 – Invalid Data Received from the Steering Angle Sensor.

The ODBII code U2423 indicates that the vehicle’s control module has received invalid or erroneous data from the steering angle sensor, which may affect systems like stability control or steering assistance.

The severity of ODBII code U2423 is generally considered moderate.

Common Causes For: U2422 Invalid Data Received from Vehicle Dynamics Control Module.

• Faulty steering angle sensor
• Poor electrical connections or wiring issues
• Corroded or damaged connectors
• Calibration issues with the steering angle sensor
• Software or firmware glitches in the vehicle’s control module
• Malfunctioning power steering system
• Interference from other electronic components or systems
• Low battery voltage or electrical system issues

Common misdiagnosis for U2423 Invalid Data Received from the Steering Angle Sensor.

• Faulty Steering Angle Sensor
• Wiring Issues or Short Circuits
• Faulty Electronic Control Unit (ECU)
• Calibration Errors
• Issues with the Vehicle Stability Control (VSC) System
• Faulty Wheel Speed Sensors
• Problems with the Power Steering System
• Incorrect Tire Pressure or Size
• Software Glitches or Updates Needed
• Faulty ABS Module

Common Troubleshooting Steps

When dealing with the OBD-II code U2423, which indicates “Invalid Data Received from the Steering Angle Sensor,” there are several common troubleshooting steps you can take to diagnose and potentially resolve the issue. Here’s a structured approach:

• Check for Additional Codes: Use an OBD-II scanner to check for any other related trouble codes. This can provide more context and help identify if there are other issues present.
• Inspect the Steering Angle Sensor: **Visual Inspection: Check the steering angle sensor for any visible damage, loose connections, or corrosion.
• **Wiring and Connectors: Inspect the wiring harness and connectors for fraying, breaks, or poor connections. Ensure that the connectors are securely attached.
• Test the Steering Angle Sensor: **Sensor Functionality: Use a multimeter or a scan tool to test the output of the steering angle sensor. Compare the readings to the manufacturer’s specifications.
• **Calibration: If the sensor is functioning but the code persists, it may need to be recalibrated. Refer to the vehicle’s service manual for calibration procedures.
• Check for Power and Ground: Ensure that the steering angle sensor is receiving the correct voltage and has a good ground connection. Use a multimeter to verify power and ground at the sensor connector.
• Inspect the Vehicle’s CAN Bus: Since U2423 is a communication code, check the Controller Area Network (CAN) bus for issues. Look for any signs of damage or loose connections in the wiring that could affect communication between modules.
• Check Related Modules: Inspect other modules that communicate with the steering angle sensor, such as the ABS module or the power steering control module. Ensure they are functioning correctly and do not have any related codes.
• Clear Codes and Test Drive: After performing inspections and repairs, clear the trouble codes using the OBD-II scanner. Take the vehicle for a test drive to see if the code returns.
• Consult Technical Service Bulletins (TSBs): Check for any TSBs related to the steering angle sensor or the specific vehicle model. Manufacturers may have issued updates or fixes for known issues.
• Professional Diagnosis: If the issue persists after performing the above steps, consider seeking help from a professional mechanic or dealership. They may have access to specialized diagnostic tools and software.
• Replace the Steering Angle Sensor: If all else fails and the sensor is determined to be faulty, replacing the steering angle sensor may be necessary.Conclusion By following these troubleshooting steps, you can systematically identify and resolve the issue related to the U2423 code. Always refer to the vehicle’s service manual for specific procedures and specifications related to your particular make and model.