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Search results with tag "General motors computerized vehicle control systems"
General Motors Computerized Vehicle Control Systems: A ...
tomboynton.compowertrain control module. Some main computers controlled the transmission, the engine and the ABS; these were called the VCM™s or vehicle control module. As automatic transmissions became more complex, some systems started to separate the PCM back into the ECM and a separate TCM or transmission control module. This was