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Home >> Buick >> 2020 >> Regal GS >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Diagnostic Information and Procedures >> DTC C0126 >> Circuit/System Verification

Circuit/System Verification

  1. Verify that the brake fluid level is above the minimum level.
    • Go to next step: If above minimum level 
  2. Refer to Circuit/System Testing.