LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2019 >> XT5 Premium Luxury, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Programming And Setup >> Repair Instructions >> K84 Keyless Entry Control Module: Programming and Setup >> Replace and Program ECU or Reprogram ECU
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Replace and Program ECU or Reprogram ECU

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 K84 Keyless Entry Control Module - Programming and follow the on-screen instructions.
  4. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.