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All Buick PCM (Powertrain Control Module), Buick ECM (Engine Control Module) & Buick ECU (Electronic Control Unit) from Flagship One, Inc. are precisely programmed and flashed to meet your vehicle's specific requirements.

Our Buick PCM, Buick ECM and Buick ECU units that are labeled plug & play will not require any additional programming.

    Here is a list of all of the Buick PCM, Buick ECM and Buick Control Modules that we have in stock and are ready to ship:
  • Buick Allure PCM | Buick Allure ECM | Buick Allure ECU
  • Buick Century PCM | Buick Century ECM | Buick Century ECU
  • Buick Enclave PCM | Buick Enclave ECM | Buick Enclave ECU
  • Buick LaCrosse PCM | Buick LaCrosse ECM | Buick LaCrosse ECU
  • Buick LeSabre PCM | Buick LeSabre ECM | Buick LeSabre ECU
  • Buick Lucerne PCM | Buick Lucerne ECM | Buick Lucerne ECU
  • Buick Park Avenue PCM | Buick Park Avenue ECM | Buick Park Avenue ECU
  • Buick Rainier PCM | Buick Rainier ECM | Buick Rainier ECU
  • Buick Regal PCM | Buick Regal ECM | Buick Regal ECU
  • Buick Rendezvous PCM | Buick Rendezvous ECM | Buick Rendezvous ECU
  • Buick Riviera PCM | Buick Riviera ECM | Buick Riviera ECU
  • Buick Skylark PCM | Buick Skylark ECM | Buick Skylark ECU
  • Buick Terraza PCM | Buick Terraza ECM | Buick Terraza ECU
  • Buick Verano PCM | Buick Verano ECM | Buick Verano ECU