Symptoms - Hydraulic Brakes

Symptoms - Hydraulic Brakes

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

1. Perform Diagnostic System Check - Vehicle, before using the brake indicator symptom tables in order to verify that all of the following are true: Testing and Inspection
^ There are no DTCs set.
^ The control modules can communicate via the serial data link.
2. Review the system operation in order to familiarize yourself with the system functions.

Visual/Physical Inspection
^ Inspect for aftermarket devices which could affect the operation of the brake warning system. Refer to Checking Aftermarket Accessories. Component Tests and General Diagnostics
^ Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

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

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
^ Brake Warning Indicator Always On
^ Brake Warning Indicator Inoperative
^ Brake Pulsation
^ Brake System Noise
^ Braking Action Uneven - Pulls to One Side
^ Braking Action Uneven - Front to Rear
^ Brake Pedal Excessive Travel
^ Brake Pedal Excessive Effort
^ Brakes Drag
^ Brake System Slow Release
^ Brake Fluid Loss