U2060 – Control Module Communication Bus Off.

The ODBII code U2060 indicates a communication issue where a control module is not able to communicate on the vehicle’s communication bus, often due to a fault in the module or wiring.

The severity of ODBII code U2060 is moderate to severe.

Common Causes For: U2059 Lost Communication with the Steering Angle Sensor.

• Faulty control module
• Damaged wiring or connectors
• Poor ground connections
• Communication bus short circuit
• Open circuit in the communication bus
• Interference from aftermarket devices
• Software issues or firmware corruption
• Low battery voltage or power supply issues

Common misdiagnosis for U2060 Control Module Communication Bus Off.

• Faulty control module
• Wiring issues
• Poor ground connections
• Corrupted software/firmware
• Faulty connectors
• Battery or power supply issues
• Intermittent communication faults
• Other communication bus errors

Common Troubleshooting Steps

The OBD-II code U2060 indicates a communication issue on the control module communication bus, specifically that a module is “off” or not responding. This can be caused by various factors, including wiring issues, module failures, or problems with the communication bus itself. Here are some common troubleshooting steps to diagnose and resolve the U2060 code:

• Check for Additional Codes: Use an OBD-II scanner to check for any other trouble codes that may be present. This can provide more context about the issue.
• Inspect Wiring and Connectors: Visually inspect the wiring and connectors related to the control modules on the communication bus. Look for signs of damage, corrosion, or loose connections.
• Pay special attention to the ground connections, as poor grounding can lead to communication issues.
• Check the Control Modules: Identify the control module(s) that are part of the communication bus. This may include modules like the Engine Control Module (ECM), Transmission Control Module (TCM), Body Control Module (BCM), etc.
• If possible, test the affected module(s) for proper operation. This may involve using a scan tool to check for communication with the module.
• Test the Communication Bus: Use a multimeter or an oscilloscope to check the voltage levels and signal integrity on the communication bus (e.g., CAN bus).
• Look for short circuits, open circuits, or abnormal voltage levels that could indicate a problem.
• Check for Interference: Ensure that there are no aftermarket devices or modifications that could be interfering with the communication bus. This includes things like alarms, stereo systems, or other electronic devices.
• Perform a Hard Reset: Disconnect the vehicle’s battery for a few minutes to reset the control modules. Reconnect the battery and see if the code reappears.
• Update or Reprogram Modules: If the control module is not responding, it may need to be updated or reprogrammed. Check with the manufacturer for any available software updates.
• Replace Faulty Components: If a specific module is determined to be faulty after testing, it may need to be replaced. Ensure that any replacement module is compatible with the vehicle.
• Consult Technical Service Bulletins (TSBs): Check for any TSBs related to the U2060 code for your specific vehicle make and model. Manufacturers may have known fixes or recommendations for this issue.
• Seek Professional Help: If the issue persists after performing the above steps, it may be necessary to consult a professional mechanic or technician who has experience with OBD-II systems and can perform more advanced diagnostics. By following these steps, you should be able to identify and resolve the underlying issue causing the U2060 code.