DTC Description: Notes
WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
The Engine Control Module (ECM) contains microprocessors that calculates, interprets, and stores data from connected inputs and output devices. The ECM runs diagnostics to check its internal memory and software. If the memory or software becomes corrupted, a fault will be set.