Operation CHARM: Car repair manuals for everyone.

Description






Schematic:





DESCRIPTION
Red BRAKE light ON with ignition switch ON and parking brake released.

Possible Contributing Base Brake Component/Vehicle Wiring Concerns
- Brake fluid level low in brake master cylinder
- Delta-P switch shorted to ground
- Parking brake not fully releasing or warning circuit not functioning correctly
- Wiring between Diode/Resistor network and module is shorted to ground
- Worn or damaged anti-lock electronic control unit
- Worn or damaged brake fluid level switch
- Loss of pressure in brake circuit