WOMS
U code network Medium severity

U0244 Lost Communication With Running Board Control Module "A

The OBD2 code U0244 indicates that there is a loss of communication with the Running Board Control Module "A," which may affect the operation of the running boards in the vehicle

Definition

The OBD2 code U0244 indicates that there is a loss of communication with the Running Board Control Module "A," which may affect the operation of the running boards in the vehicle

Common causes

  • Faulty Running Board Control Module
  • Damaged wiring or connectors
  • Poor electrical connections
  • Corroded terminals
  • Software issues or glitches
  • Blown fuses
  • Issues with the vehicle's main computer (ECM/PCM)
  • Interference from aftermarket accessories

Common misdiagnoses

  • Faulty Running Board Control Module
  • Wiring issues or shorts in the harness
  • Faulty Body Control Module (BCM)
  • Issues with the vehicle's CAN bus system
  • Low battery voltage or power supply issues
  • Corroded connectors or terminals
  • Faulty ground connections
  • Software or firmware issues in the control modules

Troubleshooting steps

  1. 1. Check for Other Codes

    Use an OBD-II scanner to check for any additional trouble codes. Sometimes, multiple codes can provide more context about the issue

  2. 2. Inspect the Wiring and Connectors

    Visual Inspection: Check the wiring harness and connectors related to the Running Board Control Module for any signs of damage, corrosion, or loose connections

  3. 3. Connector Pins

    Ensure that the pins in the connectors are not bent, corroded, or damaged

  4. 4. Check Power and Ground

    Power Supply: Verify that the Running Board Control Module is receiving the correct voltage. Use a multimeter to check the power supply at the module

  5. 5. Ground Connection

    Ensure that the ground connection for the module is secure and functioning properly

  6. 6. Test the Running Board Control Module

    If possible, test the Running Board Control Module itself. This may involve using a scan tool to communicate with the module and check for any internal faults

  7. 7. If you have access to a known good module, you can swap it out to see if the problem persists

  8. 8. Check for Communication Issues

    CAN Bus Communication: Since the Running Board Control Module communicates over the CAN bus, check for any issues with the CAN network. Look for other modules that may not be communicating properly

  9. 9. Wiring Issues

    Inspect the CAN bus wiring for shorts, opens, or interference

  10. 10. Inspect Related Components

    Check other components that may interact with the Running Board Control Module, such as switches, sensors, or other control modules that could affect its operation

  11. 11. Clear Codes and Test Drive

    After performing the above checks and repairs, clear the trouble codes using the OBD-II scanner and take the vehicle for a test drive to see if the code returns

  12. 12. Consult Technical Service Bulletins (TSBs)

    Look for any TSBs related to the specific make and model of the vehicle. Manufacturers may have issued guidance on common issues related to the Running Board Control Module

  13. 13. Seek Professional Help

    If the issue persists after performing these steps, it may be necessary to consult a professional mechanic or technician who has experience with the specific vehicle and its systems. By following these troubleshooting steps, you should be able to identify the root cause of the U0244 code and take appropriate action to resolve the issue