Choose from popular GM electronic fuel injection ECMs or powerful aftermarket ECUs. Many ECUs are supported by our 24x and 58x systems.
A Transmission Control Module (TCM) is required for GM 4-speed and 6-speed automatic transmissions when using a 58x-equipped engine with a GM Gen IV LS-Series ECM (like E38 or E67 ECM).
Used and refurbished BCMs, often used with Bench Programming.
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