ECM 111 — Engine Control Module passed KOEO test

What does ECM 111 mean?

This code, often displayed with 'Sys Pass' or 'No Faults Detected', indicates that the Engine Control Module (ECM) or Powertrain Control Module (PCM) has successfully completed the Key On, Engine Off (KOEO) diagnostic test without identifying any issues.

• The vehicle's onboard diagnostic system has completed a self-test without finding any faults.

Click steps to track your progress.

1. 1

   Proceed to view Continuous Memory codes if available.

2. 2

   Verify the scan tool is correctly interpreting the codes.

3. 3

   Consult vehicle-specific repair information if further investigation is needed.

4. 4

   Ensure the scan tool's software is up to date.