01-20-2021, 08:42 AM
Unauthorized Software/Calibration Detected
The Engine Control Module (ECM) perform its own self-test. The ECM sets the OBDII code when the software is corrupted or incorrect.
Cause:
Faulty Engine Control Module (ECM)
Engine Control Module (ECM) harness is open or shorted
Engine Control Module (ECM) circuit poor electrical connection
Symptoms:
Check engine light
The Engine Control Module (ECM) perform its own self-test. The ECM sets the OBDII code when the software is corrupted or incorrect.
Cause:
Faulty Engine Control Module (ECM)
Engine Control Module (ECM) harness is open or shorted
Engine Control Module (ECM) circuit poor electrical connection
Symptoms:
Check engine light