On Demand Diagnostic Trouble Code (ODDTC)

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

ODDTC are DTCs which have been read out by implementing the diagnostic procedure programmed in the module beforehand.
ODDTC can be read out by implementing an on-demand self-test using the M-MDS. (See DTC INSPECTION .)