Circuit/System Verification

Verify there are no related DTCs set in the following system: Stop Lamps
- If the DTC is set
  Refer to: Diagnostic Trouble Code (DTC) List - Vehicle
- Go to next step: If the DTC is not set
Test or inspect for the following: Brake Pedal = Binding or Sticking
Refer to: Brake System Slow Release
Ignition/Vehicle - Off
Ignition - On / Vehicle - In Service Mode
Verify DTC C05D0 is not set.
- If the DTC sets
  Replace the component: A104 Brake Master Cylinder
- Go to next step: If the DTC is not set
All OK.