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Home >> Buick >> 2020 >> Regal GS >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Diagnostic Information and Procedures >> DTC C025E >> Circuit/System Verification

Circuit/System Verification

  1. Verify that the brake booster vacuum system has no damage, leakage or incorrect installation.
    • Go to next step: If no damage, leakage or incorrect installation is found 
  2. Refer to Circuit/System Testing.