A temperature-dependent “pre-heat” module from power management vendor Trombetta is designed to control diesel engine “glow plugs” and air intake heating elements. Trombetta (Menomonee Falls, Wis.) ...

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Per the AG Solutions website, pricing for the GM Duramax Diesel LZ0 Engine Module is set at $420.26. Notably, the module is plug-and-play and does not “flash” the factory ECM.

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GM has issued a recall for certain units of the 2022 Chevy Silverado HD equipped with the Duramax engine due to a problem with the Engine Control Module (ECM).

According to RepairPal, the average cost for an Engine Control Module (ECM) replacement ranges between $1,037 and $1,113, but the exact cost may vary based on your car's make and model.