Diagnostic Information
The value indicates the diagnostic status of the differential electronic module (DEM).
No diagnostic trouble code (DTC) = No diagnostic trouble code (DTC) is stored in the control module.
At least one diagnostic trouble code (DTC) = At least one diagnostic trouble code (DTC) is stored in the control module.
All diagnostic tests have not been carried out = All diagnostic tests in the control module have not been carried out.
All diagnostic tests have been carried out = All diagnostic tests in the control module have been carried out.