U2917 – Lost Communication with the Steering Angle Sensor.
The ODBII code U2917 indicates a loss of communication with the steering angle sensor, which may affect the vehicle’s stability control and steering functions.
The severity of ODBII code U2917 is generally considered moderate.
Common Causes For: U2916 Vehicle Communication Bus Malfunction
- Faulty steering angle sensor
- Damaged wiring or connectors
- Poor electrical connections
- Malfunctioning vehicle control module (VCM)
- Software issues or outdated firmware
- Interference from other electronic components
- Low battery voltage or power supply issues
Common misdiagnosis for U2917 Lost Communication with the Steering Angle Sensor.
- Faulty Steering Angle Sensor
- Wiring Issues or Short Circuits
- Faulty Body Control Module (BCM)
- Faulty Electronic Power Steering (EPS) Module
- Incorrectly Calibrated Steering Angle Sensor
- Faulty ABS Module
- Issues with the CAN Bus Communication
- Battery or Power Supply Problems
Common Troubleshooting Steps
When dealing with OBD-II code U2917, which indicates “Lost Communication with the Steering Angle Sensor,” there are several common troubleshooting steps you can follow to diagnose and potentially resolve the issue. Here’s a structured approach:
- Check for Other Codes: Use an OBD-II scanner to check for any additional trouble codes. Sometimes, related codes can provide more context for the issue.
- Inspect Wiring and Connectors: **Visual Inspection: Check the wiring harness and connectors associated with the steering angle sensor for any signs of damage, corrosion, or loose connections.
- **Connector Pins: Ensure that the pins in the connectors are not bent, corroded, or pushed back.
- Test the Steering Angle Sensor: **Sensor Functionality: If possible, test the steering angle sensor using a multimeter or scan tool to ensure it is functioning correctly.
- **Resistance and Voltage: Measure the resistance and voltage output of the sensor according to the manufacturer’s specifications.
- Check Power and Ground: Verify that the steering angle sensor is receiving the correct voltage and ground. Use a multimeter to check for power at the sensor connector.
- Ensure that the ground connection is solid and free of corrosion.
- Inspect the CAN Bus: Since the steering angle sensor communicates over the CAN bus, check for any issues with the CAN network.
- Look for any damaged wiring or poor connections in the CAN bus system.
- Use a scan tool to monitor the CAN bus for any communication issues.
- Check for Software Updates: Sometimes, manufacturers release software updates that can resolve communication issues. Check if there are any updates available for your vehicle’s ECU.
- Clear Codes and Test Drive: After performing the above checks and repairs, clear the trouble codes using the OBD-II scanner.
- Take the vehicle for a test drive to see if the code reappears.
- Consult Technical Service Bulletins (TSBs): Look for any TSBs related to the steering angle sensor or communication issues for your specific vehicle make and model. Manufacturers may have specific fixes for known issues.
- Replace the Steering Angle Sensor: If all other troubleshooting steps fail and the sensor is confirmed to be faulty, consider replacing the steering angle sensor.
- Professional Diagnosis: If you are unable to resolve the issue, it may be best to consult a professional mechanic or dealership for further diagnosis.Conclusion By following these steps, you should be able to identify the cause of the U2917 code and take appropriate action to resolve the communication issue with the steering angle sensor. Always refer to the vehicle’s service manual for specific procedures and specifications.