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Home >> Chevrolet >> 2021 >> Silverado 1500 SSV, RWD, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 921 (Programming And Setup) >> Repair Instructions >> P16 Instrument Cluster: Programming and Setup >> Reprogram ECU
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Reprogram ECU

WARNING: This page is about a different car, the 2021 GMC Sierra 1500. However, it is still accessible from the selected car via links, so may be relevant.

To program an existing ECU, perform the following procedure:

  1. Access the Service Programming System (SPS) and follow the on-screen instructions.
  2. On the SPS Supported Controllers screen, select P16 Instrument Cluster - Programming and Configuration and follow the on-screen instructions.
  3. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
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