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Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Driver Assistance Systems) >> Diagnostic Information and Procedures >> Adaptive Cruise Control Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify there are no other DTCs set and that there are no communication DTCs set in the vehicle.
    • Go to next step: If no DTC's are set 
  3. Verify the Active Safety Control Module scan tool parameter Adaptive Cruise Control Inhibit History Data 1-6 and Adaptive Cruise Control Disengage History Data 1-6 indicate no current malfunction. Refer to K124 Active Safety Control Module: Scan Tool Information
    • If not the specified state 

      Diagnose the system that sets the malfunction.

    • Go to next step: If the specified state 
  4. Verify the scan tool parameter: B233B Radar Sensor Module - Long Range - Long Range Radar Sensor Module Misaligned - Angled Down = No
    • If the parameter does not display the following: Long Range Radar Sensor Module Misaligned - Angled Down = No 

      Align the B233B Radar Sensor Module - Long Range and perform the Radar Sensor Module - Long Range Learn 

    • Go to next step: If the parameter displays the following: Long Range Radar Sensor Module Misaligned - Angled Down = No 
  5. Verify the scan tool parameter: B233B Radar Sensor Module - Long Range - Long Range Radar Sensor Module Misaligned - Angled Left = No
    • If the parameter does not display the following: Long Range Radar Sensor Module Misaligned - Angled Left = No 

      Align the B233B Radar Sensor Module - Long Range and perform the Radar Sensor Module - Long Range Learn 

    • Go to next step: If the parameter displays the following: Long Range Radar Sensor Module Misaligned - Angled Left = No 
  6. Verify the scan tool parameter: B233B Radar Sensor Module - Long Range - Long Range Radar Sensor Module Misaligned - Angled Right = No
    • If the parameter does not display the following: Long Range Radar Sensor Module Misaligned - Angled Right = No 

      Align the B233B Radar Sensor Module - Long Range and perform the Radar Sensor Module - Long Range Learn 

    • Go to next step: If the parameter displays the following: Long Range Radar Sensor Module Misaligned - Angled Right = No 
  7. Verify the scan tool parameter: B233B Radar Sensor Module - Long Range - Long Range Radar Sensor Module Misaligned - Angled Up = No
    • If the parameter does not display the following: Long Range Radar Sensor Module Misaligned - Angled Up = No 

      Align the B233B Radar Sensor Module - Long Range and perform the Radar Sensor Module - Long Range Learn 

    • Go to next step: If the parameter displays the following: Long Range Radar Sensor Module Misaligned - Angled Up = No 
  8. Verify the scan tool parameter: K109 Frontview Camera Calibration Status = Calibrated. Refer to B174W Frontview Camera: Scan Tool Information
    • Go to next step: If the specified state 
  9. All OK.
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