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Home >> Chevrolet >> 1998 >> S10/T10 P/U 4WD V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> System Overview >> Serial Data Communications >> Class II Communications
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Class II Communications

Communications Description

The United States federal regulations require that all automobile manufacturers utilize a common serial data communications system. This system is called the Class II communications system. The Class II communications system allows multiple signals, or messages to be carried on a single serial data circuit.
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