• 2019-2020 Sierra Denali 1500 TCM, part 24289415. Pre-programmed module to fix harsh shifting, communication errors, and DTCs like U0101.
  • Front view of a 2019-2020 Sierra Denali 1500 TCM, part 24289415, showing electrical connectors. Pre-programmed to fix limp mode.
  • Programmed 2020-2022 Sierra 2500 TCM, part 24289415. This module is a direct replacement to fix harsh shifting and communication codes like U0101.
  • Front view of a 2020-2022 Sierra 2500 TCM, part 24289415, showing the main electrical connectors. This VIN-programmed part fixes shifting issues.
  • Front view of a genuine GM 2020-2022 Sierra 2500 TCM, part 24289415, showing the main electrical connectors. This pre-programmed module fixes shifting issues.
  • Programmed 2019-2020 Sierra 1500 TCM, part 24289415. This Transmission Control Module fixes harsh shifting, clears error codes like U0101, and is ready for installation.
  • VIN-Programmed 2019-2020 Sierra 1500 TCM, part 24289415. Shows connectors and housing, ready to install and fix shifting issues and clear U0101 codes.
  • A genuine GM 2019-2020 Sierra 1500 TCM, part 24289415, showing the main electrical connectors. This pre-programmed module fixes shifting issues and U0100 codes.

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