• Programmed 2001-2005 Silverado 3500 TCM for Allison transmissions. Part 15163072, fixes DTCs like U0101 and erratic shifting.
  • Programmed 2001-2005 Silverado 2500 Transmission Control Module 15163072 for Allison M74. Fixes limp mode and erratic shifting.
  • Programmed 2001-2005 Sierra 3500 TCM for Allison transmissions. This module, part 15071240, solves shifting issues and DTCs like P0700.
  • Programmed 2001-2005 Sierra 2500 TCM for Allison Transmission, part 15071240.
  • Programmed 2001-2005 Silverado 3500 TCM, part 15071240. This Allison transmission control module fixes harsh shifting and limp mode issues.
  • Programmed 2001-2005 Silverado 2500 TCM for Allison transmissions. Part 15071240, a direct-fit solution to clear codes like U0101 and restore shifting.
  • Pre-programmed 2001-2005 Sierra 3500 TCM for Allison transmissions. This module, part 09387820, resolves shifting issues and limp mode.
  • 2001-2005 Sierra 2500 Allison TCM Transmission Control Module, part number 09387820, showing the main housing and electrical connection ports.
  • Programmed 2001-2005 Silverado 3500 TCM, part 09387820, for Allison transmissions. This module fixes shifting problems and communication errors.
  • 2001-2005 Silverado 2500 TCM, part 09387820, showing the main housing and electrical connectors. This pre-programmed module fixes Allison shifting issues.
  • Programmed 2001-2005 Sierra & Silverado Allison Transmission Control Module TCM, part 09385220.
  • Programmed 2001-2005 Sierra 2500 TCM for Allison 5-speed transmission, part number 09385220.
  • Front view of a 2001-2005 Silverado 2500 TCM, part 09385220, showing the main electrical connectors. This module fixes Allison transmission shifting issues.

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