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Home >> Buick >> 2021 >> Envision Preferred, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information and Procedures >> DTC P215A >> Circuit/System Testing

Circuit/System Testing

  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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