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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 330 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C2A01-C2A04 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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 
  2. Under normal operating conditions:Verify the DTC does not set.
    • If the DTC sets 

      Replace the component:K160 Brake System Control Module

    • Go to next step: If the DTC does not set 
  3. All OK.
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