Mike's Workshop Manuals: Service manuals for every vehicle
Home >> GMC >> 2019 >> Canyon SL >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Secondary And Configurable Customer Controls >> Diagnostic Information and Procedures >> DTC B3622 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON. Verify the driver information center (DIC) illuminates.
    • If the DIC does not illuminate 

      Test or replace the instrument cluster.

    • Go to next step: If the DIC does illuminate 
  2. Verify all the associated primary controls on the radio (Volume, Mute, Seek, etc.) operate properly.
    • Go to next step: If all of the primary controls function properly 
  3. Refer to Circuit/System Testing.