The Cummins 3084473‑RX is an electronic control module that serves as the brain of L10, M11, G855 and N14 diesel engines, processing sensor inputs to manage fuel injection, ignition timing and emissions controls. Common failure modes include loss of power or voltage spikes on the 12V/48V rails, corrupted flash memory from electrical surges, and intermittent sensor signal errors that trigger diagnostic trouble codes such as P0XXX or P1XXX. Begin troubleshooting by verifying proper supply voltages at the module’s input pins, inspecting for blown fuses or damaged wiring harnesses, and reviewing any stored DTCs via a scan tool; if power is stable but the engine still misbehaves, perform a memory‑clear reset and reflash the firmware if necessary.[oss-gpt-20b]