Hydraulic Brake System Diagnostic Starting Point

Begin the hydraulic brake system diagnosis with the HYDRAULIC BRAKE SYSTEM DIAGNOSTIC SYSTEM CHECK . The Hydraulic Brake System Diagnostic System Check will provide the following information:

1. The identification of the control module(s) which command the system.
2. The ability of the control module(s) to communicate through the serial data circuit.
3. The identification of any stored Diagnostic Trouble Codes (DTCs) and their status.