WOMS
C code chassis Medium severity

C0297 Powertrain Configuration Data Not Received

The OBD2 code C0297 indicates that the powertrain control module (PCM) is not receiving the expected configuration data from another module, which can affect vehicle performance and diagnostics

Definition

The OBD2 code C0297 indicates that the powertrain control module (PCM) is not receiving the expected configuration data from another module, which can affect vehicle performance and diagnostics

Common causes

  • Faulty powertrain control module (PCM)
  • Communication issues between modules
  • Damaged wiring or connectors
  • Corrupted software or firmware
  • Faulty sensors related to powertrain
  • Low battery voltage or poor electrical connections
  • Aftermarket modifications or installations affecting communication

Common misdiagnoses

  • Faulty Engine Control Module (ECM)
  • Wiring issues or shorts in the harness
  • Faulty Transmission Control Module (TCM)
  • Sensor malfunctions (e.g., throttle position sensor)
  • Incorrectly programmed or updated software
  • Issues with the vehicle's battery or charging system
  • Faulty communication between modules
  • Problems with the CAN bus system

Troubleshooting steps

  1. 1. Check for Other Codes

    Before focusing on C0297, check for any other diagnostic trouble codes (DTCs) that may provide additional context or indicate related issues

  2. 2. Inspect Wiring and Connectors

  3. 3. Examine the wiring and connectors associated with the powertrain control modules. Look for signs of damage, corrosion, or loose connections

  4. 4. Pay special attention to the connectors for the PCM and any other related modules

  5. 5. Check Power and Ground

  6. 6. Ensure that the PCM and other related modules are receiving proper power and ground. Use a multimeter to check voltage and ground continuity

  7. 7. Verify that the fuses related to the powertrain control system are intact

  8. 8. Inspect Communication Lines

  9. 9. If the vehicle uses a CAN (Controller Area Network) bus, check the communication lines for shorts, opens, or interference

  10. 10. Use a scan tool to monitor the communication between modules and ensure they are communicating properly

  11. 11. Perform a Module Reset

  12. 12. Sometimes, simply resetting the PCM or other modules can clear temporary communication issues. Disconnect the battery for a few minutes, then reconnect it and see if the code returns

  13. 13. Update Software/Firmware

  14. 14. Check if there are any software updates available for the PCM or other related modules. Sometimes, manufacturers release updates to fix known issues

  15. 15. Test the Modules

  16. 16. If the issue persists, you may need to test the PCM and other related modules for faults. This may require specialized diagnostic equipment or tools

  17. 17. Consult Technical Service Bulletins (TSBs)

  18. 18. Look for any TSBs related to the C0297 code for your specific vehicle make and model. Manufacturers may have documented common issues and solutions

  19. 19. Professional Diagnosis

  20. 20. If you are unable to resolve the issue after these steps, it may be necessary to consult a professional mechanic or technician who has experience with your vehicle's specific systems. By following these troubleshooting steps, you can systematically identify and address the underlying cause of the C0297 code