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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 168 (Programming And Setup) >> Repair Instructions >> A22 Radio Controls: Programming and Setup >> Reprogram Control Module
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Reprogram Control Module

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

To reprogram an existing control module, perform the following procedure:

  1. Access the Service Programming System (SPS) and follow the on-screen instructions.
  2. On the SPS Supported Controllers screen, if available select A22 Radio Controls - Programming and follow the on-screen instructions.
  3. Clear DTCs.
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