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Home >> GMC >> 2018 >> Terrain SL >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Secondary And Configurable Customer Control System >> Diagnostic Information And Procedures >> Drive Mode Switch Malfunction (Chevrolet With AWD) >> Circuit/System Verification

Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Press and release the switch:AWD@S126 Drive Mode Select Switch

    Verify the following information is correctly displayed:AWD - Active@A5 Driver Information Center

    • If the component does not work as specified 

      Refer to Circuit/System Testing below

    • Go to next step: If the component works as specified 
  3. All OK.