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Home >> Buick >> 2021 >> Envision Preferred, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information and Procedures >> DTC C2A1F >> Circuit/System Verification

Circuit/System Verification

  1. Ignition - On/Vehicle - In Service Mode
  2. Verify DTC C2A1F is not set.
    • If DTC C2A1F is set 

      Replace the component: K160 Brake System Control Module

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