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Home >> Chevrolet >> 2021 >> Traverse L >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC P215A >> Circuit/System Testing

Circuit/System Testing

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. Ignition On
  2. Verify DTCs C0500-C0504, C0506-C0510, C050A, C050C-C050F, or C0512-C0516 are not set.
    • Go to next step: If none of the listed DTCs are set 
  3. Inspect the appropriate B5 Wheel Speed Sensor for contamination, metallic particles, physical damage, incorrect installation and the correct component.
    • If contamination, physical damage, incorrect installation, or the wrong component is diagnosed 

      Replace the appropriate B5 Wheel Speed Sensor.

    • Go to next step: If no contamination, physical damage, incorrect installation, or the wrong component is not diagnosed 
  4. Replace the K160 Brake System Control Module.
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