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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 344 (Exhaust System) >> Repair Instructions >> Variable Exhaust Flow Control Valve Learn >> With Scan Tool
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With Scan Tool

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Select: Module Diagnostics
  3. Select: Engine Control Module
  4. Select: Configuration/Reset Functions
  5. Select: Learn Functions
  6. Select: Variable Exhaust Flow Control Valve Learn
  7. NOTE:

    The scan tool does not display the learn/reset status.

  8. Follow the instructions on the scan tool. - The procedure will complete within 10 s