GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2000
🢒
GL7 (Export)
🢒
Brakes
🢒 Antilock Brake System
Brakes
All Component Locator
Antilock Brake System Component Views
All Description and Operation
Abbreviations and Definitions
ABS Description
ABS Operation
Basic Knowledge Required
General System Description
Service Precautions
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
Symptoms
Diagnostic Trouble Codes
Diagnostic Trouble Code (DTC) List/Type
DTC C1214 Solenoid Valve Relay Contact or Coil Circuit Open
DTC C1216 EBCM Commanded Pressure Release Too Long
DTC C1217 Pump Motor Shorted to Ground
DTC C1218 Pump Motor Circuit Shorted to Voltage
DTC C1221 LF Wheel Speed Sensor Input Signal is 0
DTC C1222 RF Wheel Speed Sensor Input Signal is 0
DTC C1223 LR Wheel Speed Sensor Input Signal is 0
DTC C1224 RR Wheel Speed Sensor Input Signal is 0
DTC C1225 LF Excessive Wheel Speed Variation
DTC C1226 RF Excessive Wheel Speed Variation
DTC C1227 LR Excessive Wheel Speed Variation
DTC C1228 RR Excessive Wheel Speed Variation
DTC C1232 LF Wheel Speed Circuit Open or Shorted
DTC C1233 RF Wheel Speed Circuit Open or Shorted
DTC C1234 LR Wheel Speed Circuit Open or Shorted
DTC C1235 RR Wheel Speed Circuit Open or Shorted
DTC C1236 Low System Supply Voltage
DTC C1237 High System Supply Voltage
DTC C1242 Pump Motor Circuit Open
DTC C1243 BPMV Pump Motor Stalled
DTC C1254 Abnormal Shutdown Detected
DTC C1255 EBCM/EBTCM Internal Malfunction
DTC C1256 EBCM/EBTCM Internal Malfunction
DTC C1261 LF Inlet Valve Solenoid Malfunction
DTC C1262 LF Outlet Valve Solenoid Malfunction
DTC C1263 RF Inlet Valve Solenoid Malfunction
DTC C1264 RF Outlet Valve Solenoid Malfunction
DTC C1265 LR Inlet Valve Solenoid Malfunction
DTC C1266 LR Outlet Valve Solenoid Malfunction
DTC C1267 RR Inlet Valve Solenoid Malfunction
DTC C1268 RR Outlet Valve Solenoid Malfunction
DTC C1295 Brake Lamp Switch Circuit Open
Electrical/Electronic Schematic Diagrams
Antilock Brake System Schematics
General Diagnostic Information
Diagnostic System Check - ABS
Electromagnetic Interference
Initialization Sequence
Scan Tool Data Definitions
Scan Tool Data List
Scan Tool Diagnostics
Mechanical Specifications
Fastener Tightening Specifications
Removal, Installation, and Replacement
Brake Pressure Modulator Valve Replacement
Electronic Brake Control Module Replacement
Wheel Speed Sensor Replacement