Browse Allison 2400 Series Transmission Control Modules (TCM) for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 7 listings. Allison 2400 Series Transmission Control Module (TCM) pricing ranges from $350 to $544 based on recent marketplace data. Filter by condition, price, or year to find the right Allison 2400 Series Transmission Control Module (TCM).