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Circuit/System Verification

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify there are no DTCs set related to the following component/system:Antilock Braking System
    • Go to next step: If none of the DTCs are set 
  2. Inspect the following components:
    • B5 Wheel Speed Sensor Correct part
    • B5 Wheel Speed Sensor=Visible Damage
    • If a condition exists 

      Replace the component:B5 Wheel Speed Sensor

    • Go to next step: If no conditions exist 
  3. Test drive the vehicle.

    All sensors must show the same speed when driving in a straight line at a speed greater than 40 km/h (25 MPH).

  4. Verify the following parameters are within 1.6 km/h (1 MPH) of each other:Wheel Speed Sensor
    • If within 1.6 km/h (1 MPH) of each other 

      Replace the component:K160 Brake System Control Module

    • Go to next step: If not within 1.6 km/h (1 MPH) of each other 
  5. Replace the appropriate component:B5 Wheel Speed Sensor
  6. Verify the DTC does not set.
    • If the DTC is set 

      Replace the component:K160 Brake System Control Module

    • Go to next step: If the DTC is not set 
  7. All OK.
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