FixVault

Circuit/System Verification

WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify the component works as specified:Cruise Control Switch Assembly
  3. Refer to:Body Control Module-Scan Tool Parameters in Typical Scan Tool Data 
    • Go to next step: If no condition exists 
  4. Verify the condition does not exist:Cruise Control System Status=Inhibit by ECM
    • Cruise Control System Status=Inhibit by ECM 

      If a condition exists - Repair or replace as necessary

    • Go to next step: Cruise Control System Status Inhibit by ECM 
  5. Verify that no DTC listed in the DTC Descriptor Category is set.
    • Go to next step: If a related DTC is not set 
  6. All OK.