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Home >> Cadillac >> 2024 >> CT5 V, RWD >> Repair and Diagnosis >> General Information >> Reset Procedures >> Programming And Setup - All Systems >> Repair Instructions >> P16 Instrument Panel Cluster Control Module: Programming and Setup >> Reprogram ECU (UDC or UDD)
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Reprogram ECU (UDC or UDD)

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

  1. Ignition ON/Vehicle in Service Mode.
    2. NOTE:

    Ensure programming of this module is performed using the EL-52100 (MDI 2). Using the EL-47955 (MDI) will result in a programming failure.

  2. Access the Service Programming System (SPS) and follow the on-screen instructions.
  3. Ignition/Vehicle OFF.
  4. On the SPS Supported Controllers screen, select P16 Instrument Cluster - Programming and follow the on-screen instructions.
  5. Clear DTCs.
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