GM Genuine Parts Transmission Control Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Transmission control modules are modules that regulate a vehicle's automatic transmission by processing electrical signals. The transmission control module helps the vehicle's transmission work more efficiently and dependably.GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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• Smooth shifting
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies