C2120 Brake Fault Code

C2120 brake fault code is a code that shows up on the dashboard of a car. It is usually displayed by the car's computer system to alert the driver about a problem with the braking system.

Meaning:

OBD-2 Protocol Meaning: Vacuum Reservoir Pressure Sensor Circuit.

The brakes of a car is one of the most important parts of your vehicle the brakes will then not work as they should, which could lead to serious accidents when you press on the brakes, they should make a squeaking sound. It works with the brake pedal, hydraulic master cylinder and calipers to slow or stop the rotation of the wheels.

It can be caused by a faulty brake booster, leaky brake fluid, or faulty master cylinder one of the most common ones is dragging brakes. The brake pads act as a contact surface against which the rotating wheels push, slowing them down until they eventually stop spinning altogether.

C2120 Brake Fault Diagnosis :

The problem with brakes is that they are not always easy to diagnose the brake system is a critical component of the car if none of these things sound like they could be your problem, then it might be time to take your car into a shop and have them diagnose it for you. Then it moves to an inspection for audible evidence such as squealing or grinding noises.The brake pedal is connected to a mechanism called the master cylinder which regulates brake fluid pressure to all four wheels.