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Transmission Identification Information

WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Transmission Identification Label
GM4452508Courtesy of GENERAL MOTORS COMPANY
  1. Broadcast Code
  2. Source DUNS Number
  3. Transmission Unique Number (TUN)
  4. 2D Machine Readable Matrix
  5. VPPS Code
  6. Part Sequence Number
  7. Site ID
  8. Broadcast Code
  9. Julian Date
  10. Year of Build
  11. Shift ID
  12. Line Plant ID
  13. GM Part Number
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