Monitor DTC Status

B1625 ECM Communication Data Failure

Scantool Diagnostics

Monitor Scantool Data

Check DTC status
1. Check DTC on the PCM with Scantool.
2. Check that there is any DTC related PCM.
3. Perform Troubleshooting the DTC from PCM with appropriate DTC Troubleshooting Guide first.
4. Repair or replace as necessary after erasing DTC with Scantool.
5. Check DTC on SMK Module side and erase the DTC with Scantool.
6. Has the DTC gone after erasing with scantool?