International 180734904 Controller

International 1807349C4 is an engine control module (ECM) used in heavy‑truck powertrains; it processes sensor data to modulate fuel injection, ignition timing and emissions systems. Common failure modes include failed power supply inputs, corrupted firmware, or damaged internal capacitors leading to erratic sensor readouts or “no start” conditions. First‑check diagnostics: verify 12 V/24 V input voltage and ground integrity; inspect the module for burn marks or swollen electrolytic caps; review diagnostic trouble codes (DTCs) via OBD‑II scan for persistent faults such as P0128 (engine coolant temperature sensor circuit) or P0300 (random misfire).[oss-gpt-20b]

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We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

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We reclaim and repair GPUs and industrial AI hardware (cards, PSUs, fan modules, VRM boards). Free estimate — you only pay return shipping if you decline.