LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 610 (Programming And Setup) >> Repair Instructions >> P16 Instrument Panel Cluster Control Module: Programming and Setup >> Replace and Program ECU (UDD)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Replace and Program ECU (UDD)

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. Ignition ON/Vehicle in Service Mode.
  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. On the SPS Supported Controllers screen, select P16 Instrument Cluster - Setup and follow the on-screen instructions.
  6. Clear DTCs.
scientia non olet · About LEMON Manuals