LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2024 >> Hummer EV 2 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Diagnostic Information and Procedures >> DTC C0678 >> Circuit/System Testing

Circuit/System Testing

  1. Verify there are no other DTCs set.
    • Go to next step: If no other DTCs are set 
  2. Replace the B20AA Brake Fluid Level Indicator Switch 1
  3. Verify the DTC does not set.
    • If the DTC sets 

      Replace the K160 Brake System Control Module.

    • Go to next step: If the DTC does not set 
  4. All OK.
scientia non olet · About LEMON Manuals