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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> General Information >> Reset Procedures >> Programming And Setup - All Systems >> Repair Instructions >> Drive Motor Power Inverter Module Programming and Setup >> Replace and Program ECU or Reprogram ECU
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Replace and Program ECU or Reprogram ECU

NOTE: If the T6 Drive Motor Power Inverter Module is programmed with the hood open, the vehicle will not start until the hood is closed. Normal operation will return after the hood has been closed.

To program a replacement or an existing ECU, perform the following procedure:

  1. Install EL-49642  SPS programming support tool.
  2. Access the Service Programming System (SPS) and follow the on-screen instructions.
  3. On the SPS Supported Controllers screen, select Power Inverter Module - Programming and follow the on-screen instructions.
  4. On the SPS Supported Controllers screen, select Immobilizer Learn - Setup and follow the on-screen instructions.
  5. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
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