For 1990-2009 cars only
Antilock Brake System for Buick Century (China) (CNG) 1999
All Component Locator
All Description and Operation
- Abbreviations and Definitions
- ABS Description
- ABS Operation
- Basic Knowledge Required
- General System Description
- Service Precautions
All Special Tools and Equipment
All Visual Identification
Cleaning, Inspection, and Adjustment
Diagnostic Procedures
- ABS Indicator Always On
- ABS Indicator Inoperative
- Diagnostic System Check - ABS
- Low Traction Indicator Always On
- Low Traction Indicator Inoperative
- No Communication with Electronic Brake Control Module/Electronic Brake and Traction Control Module
- Traction Control Indicator Always On
- Traction Control Indicator Inoperative
Diagnostic Trouble Codes
- DTC C1214 Solenoid Valve Relay Contact or Coil Circuit Open
- 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 C1238 Brake Thermal Model Exceeded
- DTC C1242 Pump Motor Circuit Open
- DTC C1243 BPMV Pump Motor Stalled
- DTC C1245 Low Tire Pressure Detected
- DTC C1247 Low Brake Fluid Detected
- 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 C1272 LF TCSValve Solenoid Malfunction
- DTC C1274 RF TCSValve Solenoid Malfunction
- DTC C1275 PCM Requested ETS to Be Disabled
- DTC C1276 Delivered Torque Signal Circuit Malfunction
- DTC C1277 Requested Torque Signal Circuit Malfunction
- DTC C1278 TCS Temporarily Inhibited By PCM
- DTC C1291 Open Brake Lamp Switch Contacts During Deceleration
- DTC C1293 Code C1291 Set in Previous Ignition Cycle
- DTC C1294 Brake Lamp Switch Circuit Always Active
- DTC C1295 Brake Lamp Switch Circuit Open
- DTC C1298 PCM Class 2 Serial Data Link Malfunction
Electrical/Electronic Schematic Diagrams
General Diagnostic Information
- Clearing DTCs
- Diagnostic Trouble Code (DTC) List
- Displaying Diagnostic Trouble Codes (DTC)
- Electromagnetic Interference
- Initialization Sequence
- Intermittents and Poor Connections
- Scan Tool Diagnostics
- Self-Diagnostics
Mechanical Specifications
Other Specifications
Removal, Installation, and Replacement
