Mike's Workshop Manuals: Service manuals for every vehicle
Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 81 (Driver Assistance Systems) >> Diagnostic Information And Procedures >> Side Blind Zone Alert System Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition/Vehicle - Off
  2. Ignition - On/Vehicle - In Service Mode
  3. Verify the component turns On and Off:
    • Side Blind Zone Alert Indicator @ A9A Outside Rearview Mirror - Driver
    • Side Blind Zone Alert Indicator @ A9B Outside Rearview Mirror - Passenger
    • Go to next step: If the component turns On and Off 
  4. Verify that no DTCs are set.
    • Go to next step: If no DTC is set 
  5. Verify the following control modules contain the latest software: B218L Side Object Sensor Module - Left
    • If not the latest software is contained 

      Program the control module: B218L Side Object Sensor Module - Left

    • Go to next step: If the latest software is contained 
  6. All OK.
scientia non olet · About Mike's Workshop Manuals