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Home >> Chevrolet >> 2003 >> Malibu Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes & Drum Brakes >> Self Diagnostic System >> DTC C0267: Brake Fluid Level Switch Circuit Fault >> Test Procedure

Test Procedure

  1. If the Hydraulic Brake Diagnostic System Check is performed, go to next step. If not, see HYDRAULIC BRAKE SYSTEM DIAGNOSTIC CHECK  under TROUBLE SHOOTING.
  2. Inspect the brake fluid level. If the brake fluid level is okay, go to next step. If the brake fluid level is not okay, see BRAKE FLUID LOSS  under SYMPTOM TESTS.
  3. Install a scan tool. Turn ON the ignition, with the engine OFF. With a scan tool, observe the Brake Fluid Level parameter in the BCM data list. If the scan tool indicates that the Brake Fluid Level parameter is okay, test for intermittent faults. If the scan tool does not indicate that the Brake Fluid Level parameter is okay, go to next step.
  4. Turn OFF the ignition. Disconnect the brake fluid level switch. Turn ON the ignition, with the engine OFF. With a scan tool, observe the Brake Fluid Level parameter. If the scan tool indicates that the Brake Fluid Level parameter is okay, go to step  6. If the scan tool does not indicate that the Brake Fluid Level parameter is okay, go to next step.
  5. Test the signal circuit of the brake fluid level sensor for a short to ground. If problem was found and corrected, go to step  8. If problem was not found, go to step  7.
  6. Replace the brake fluid level switch. See MASTER CYLINDER FLUID LEVEL SENSOR  under REMOVAL & INSTALLATION. After repairs, go to step  8.
  7. Replace the Electronic Brake Control Module (EBCM). See appropriate ANTI-LOCK article. After repairs, go to next step.
  8. Operate the system in order to verify the repair. If problem is corrected, system is okay. If problem is not corrected, go to step  2.
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