- Symptoms - Hydraulic Brakes

Important: The following steps must be completed before using the symptom tables.

1. Perform A Diagnostic System Check - Hydraulic Brakes before using the symptom tables in order to verify that all of the following are true:
^ There are no DTCs set.
^ The control module(s) can communicate via the serial data link.
2. Review the system operation in order to familiarize yourself with the system functions. Refer to the following:
^ Master Cylinder Description
^ Vacuum Brake Booster Description
^ Brake Warning System Operation
^ Brake Warning System Circuit Description

Visual/Physical Inspection
^ Inspect for aftermarket devices which may affect the operation of the instrument panel cluster.
^ Inspect the easily accessible or visible system components for obvious damage or conditions which may cause the symptom.
^ Inspect the master cylinder reservoir for the proper brake fluid level.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent and Poor Connections.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
^ Brake Pulsation
^ BRAKE Indicator Inoperative
^ Brake Pedal Excessive Travel
^ Brake Pedal Travel Gradually Increases
^ Brake Pedal Excessive Effort to Stop
^ Brake Pulsation
^ Brake System Slow Response
^ Brake System Slow Release
^ Brakes Drag
^ Braking Uneven - Side to Side
^ Braking Uneven - Front to Rear
^ Brake System Noise with Brakes Applied
^ Brake System Noise with Brakes Not Applied
^ External Conditions that Affect Brake Performance
^ Brake System Testing
^ Brake Pedal Travel
^ Brake Fluid Leak