• Programmed 2001-2005 Silverado 2500 TCM, part 15183963, for Allison transmissions. This direct-fit module solves limp mode and erratic shifting issues.
  • Programmed 2001-2005 Sierra 3500 TCM, part 15169835. Shows connectors for Allison transmission, ready to install and fix limp mode or U0101 codes.
  • Programmed 2001-2005 Sierra 2500 TCM, part 15169835. Fixes Allison transmission shifting issues and clears fault codes like P0700 for GM HD trucks.
  • Programmed 2001-2005 Silverado 3500 TCM, part 15169835. This module for Allison transmissions solves harsh shifting and limp mode issues.
  • A 2001-2005 Silverado 2500 TCM, part 15169835, showing the main body and two electrical connector ports. This module is VIN-programmed to fix Allison transmission shifting problems.
  • Front view of a 2001-2005 Sierra 3500 TCM, part 15169834, showing the two main electrical connectors. This pre-programmed module fixes Allison transmission shifting issues.
  • Programmed 2001-2005 Sierra 2500 TCM for Allison transmissions, part 15169834. Fixes harsh shifting, limp mode, and clears DTCs like P0700.
  • 2001-2005 Silverado TCM for Allison transmissions, part 15169834. Shows main body and electrical connectors, a solution for fixing limp mode and harsh shifting.
  • Programmed 2001-2005 Silverado 2500 TCM, part 15169834. Fixes Allison transmission shifting issues and limp mode for a reliable repair.
  • Programmed Allison Sierra 3500 Transmission Control Module 15169833 for 2001-2005 GM trucks. Shows connectors for a direct-fit solution to fix harsh shifting and limp mode.
  • 2001-2005 Sierra 2500 TCM, part 15169833, showing the main electrical connectors. A reliable, pre-programmed replacement for Allison transmission shifting problems.
  • Programmed 2001-2005 Silverado 3500 TCM for Allison transmissions, part 15169833. Fixes erratic shifting, limp mode, and communication codes like U0101.
  • Programmed 2001-2005 Silverado 2500 TCM, part 15169833. This module for Allison transmissions solves erratic shifting and communication codes.
  • Programmed 2001-2005 Sierra 3500 Transmission Module for Allison M74. Shows connectors and housing. Fixes P0700 & limp mode.
  • A 2001-2005 Sierra 2500 Transmission Module, part 15163073, showing its two main connectors. This pre-programmed TCM fixes limp mode and harsh shifting.
  • 2001-2005 Silverado 3500 TCM, part 15163073. This pre-programmed module resolves Allison transmission shifting problems and error codes.
  • A 2001-2005 Silverado TCM, part 15163073, showing the aluminum casing and two main electrical connector ports. This module fixes Allison transmission shifting issues.
  • 2001-2005 Sierra 3500 Transmission Control Module, part 15163072. Pre-programmed for Allison M74, fixes limp mode and DTC codes like U0100.
  • Programmed 2001-2005 Sierra 2500 Transmission Module, part 15163072, for Allison M74. Shows connectors for easy plug-and-play installation.
  • Programmed 2001-2005 Silverado 3500 TCM for Allison transmissions. Part 15163072, fixes DTCs like U0101 and erratic shifting.

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