• Programmed 2001-2005 Sierra 2500 Transmission Module (TCM) showing the main housing and two electrical connector ports. Fixes Allison transmission shifting issues.
  • Programmed 2001-2005 Silverado 3500 TCM, part 15163073. This module resolves Allison transmission shifting issues and error codes like U0101.
  • 2001-2005 Silverado 2500 TCM, part 15163073, for Allison transmissions. This pre-programmed module resolves shifting issues and communication codes.
  • Front view of a 2001-2005 Sierra 3500 TCM, part 15163072. This pre-programmed Allison transmission module resolves shifting problems and DTCs like P0700.
  • 2001-2005 Sierra 2500 Pickup Transmission Control Module 15163072 Programmed To Your VIN VIN TCM
  • Pre-programmed 2001-2005 Silverado 3500 TCM, part 15163072. This module fixes Allison transmission shifting problems like limp mode and error codes.
  • 2001-2005 Silverado 2500 TCM, part 15163072. Pre-programmed module to fix Allison transmission shifting problems and clear codes like P0700.
  • VIN Programmed 2001-2005 Sierra 3500 Transmission Control Module, part 15071240. Solves Allison transmission shifting problems and communication codes.
  • Programmed 2001-2005 Sierra 2500 TCM for Allison transmissions, showing the main body and two large electrical connector ports. Fixes limp mode.
  • Front view of a Silverado 3500 Transmission Module for 2001-2005 models with an Allison transmission, showing the main electrical connectors. Part 15071240.
  • A 2001-2005 Silverado 2500 Transmission Module, part 15071240, showing its electrical connector ports. This pre-programmed part fixes Allison transmission shifting issues.
  • A 2001-2005 Sierra 3500 TCM, part 09387820, showing the main body and electrical connection ports. This module fixes Allison transmission shifting issues.
  • 2001-2005 Sierra 2500 TCM, part number 09387820, for Allison transmissions. This pre-programmed module fixes shifting issues and DTCs like P0700 and U0101.
  • Programmed 2001-2005 Silverado 3500 TCM, part 09387820. A direct-fit solution to fix Allison transmission shifting problems & clear fault codes.
  • 2001-2005 Silverado 2500 Transmission Module, part 09387820, showing the two main electrical connectors. Pre-programmed to fix Allison limp mode.
  • Front view of a 2001-2005 Sierra 3500 TCM, part 09385220, showing the main electrical connectors. This pre-programmed module fixes Allison transmission shifting issues.
  • 2001-2005 Sierra 2500 TCM, part 09385220, showing the main housing and electrical connector ports. A reliable fix for harsh shifting and limp mode.
  • Front view of a 2001-2005 Silverado 2500 TCM, part 09385220, showing the two main electrical connector ports for a simple plug-and-play installation.

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