For 1990-2009 cars

# Brakes

## All Component Locator

- Antilock Brake System Component Views

## All Description and Operation

- ABS Description and Operation

## All Special Tools and Equipment

- Special Tools

## All Visual Identification

- Antilock Brake System Connector End Views

## Cleaning, Inspection, and Adjustment

- Antilock Brake System Automated Bleed Procedure

## Diagnostic Procedures

- ABS Indicator Always On
- ABS Indicator Inoperative
- Diagnostic Starting Point - Antilock Brake System
- Diagnostic System Check - ABS
- Symptoms - Antilock Brake System

## Diagnostic Trouble Codes

- Diagnostic Trouble Code (DTC) List
- DTC C1212
- DTC C1213
- DTC C1214
- DTC C1215
- DTC C1217
- DTC C1218
- DTC C1221-C1235
- DTC C1236
- DTC C1237
- DTC C1242 or C1243
- DTC C1254
- DTC C1255 or C1256
- DTC C1257
- DTC C1258
- DTC C1261-C1268
- DTC C1295

## Electrical/Electronic Schematic Diagrams

- Antilock Brake System Schematics

## General Diagnostic Information

- Scan Tool Data Definitions
- Scan Tool Data List
- Scan Tool Output Controls

## Mechanical Specifications

- Fastener Tightening Specifications

## Other Specifications

- GM SPO Group Numbers

## Removal, Installation, and Replacement

- 4WD Switch Replacement
- Brake Pressure Modulator Valve Bracket Replacement
- Brake Pressure Modulator Valve Replacement
- Electronic Brake Control Module Replacement
- Front Wheel Speed Sensor Reluctor Wheel Replacement
- Front Wheel Speed Sensor Replacement
- Lamp Driver Module Replacement
- Lateral Accelerometer Replacement
- Rear Wheel Speed Sensor Replacement
- Rear Wheel Speed Sensor Ring Replacement