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Circuit/System Verification

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 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 DTC P1553 is not set.
    • If the DTC is set 
    1. Replace the appropriate component:
    • {If equipped} K14 Distance Sensing Cruise Control Module
    • {If equipped} K124 Active Safety Control Module
    • Go to next step: If the DTC is not set 
  3. All OK.
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