Anti-Lock Brake System
- Specifications
- Schematic & Routing Diagrams
- Component Locator
- Diagnostic Information & Procedures
- Diagnostic Starting Point - Anti-Lock Brake System
- Diagnostic System Check - ABS
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- Enhanced Diagnostics
- DTC B2747: Traction Control Switch Circuit Low
- DTC C1214: System Relay Contact Or Coil Circuit Open
- DTC C1216: Electronic Brake Control Relay Coil Circuit Open
- DTC C1217: BPMV Pump Motor Relay Contacts Circuit Open
- DTC C1218: Pump Motor Circuit Shorted To Voltage Or Motor Ground Open
- DTC C1221: LF Wheel Speed Sensor Input Signal Is 0; C1222: RF Wheel Speed Sensor Input Signal Is 0; C1223: LR Wheel Speed Sensor Input Signal Is 0; C1224: RR Wheel Speed Sensor Input Signal Is 0; C1225: LF Excessive Wheel Speed Variation; C1226: RF Excessive Wheel Speed Variation; C1227: LR Excessive Wheel Speed Variation; C1228: RR Excessive Wheel Speed Variation; C1232: LF Wheel Speed Circuit Open Or Shorted; C1233: RF Wheel Speed Circuit Open Or Shorted; C1234: LR Wheel Speed Circuit Open Or Shorted; 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; C1243: BPMV Pump Motor Stalled
- DTC C1248: EBCM Turned The Red Brake Warning Indicator On
- DTC C1254: Abnormal Shutdown Detected
- DTC C1255: EBCM Internal Malfunction; C1256: EBCM Internal Malfunction
- DTC C1261: LF Inlet Valve Solenoid Malfunction; C1262: LF Outlet Valve Solenoid Malfunction; C1263: RF Inlet Valve Solenoid Malfunction; C1264: RF Outlet Valve Solenoid Malfunction; C1265: LR Inlet Valve Solenoid Malfunction; C1266: LR Outlet Valve Solenoid Malfunction; C1267: RR Inlet Valve Solenoid Malfunction; C1268: RR Outlet Valve Solenoid Malfunction; C1271: LF TCS Master Cylinder Isolation Valve Malfunction; C1272: LF TCS Prime Valve Malfunction; C1273: RF TCS Master Cylinder Isolation Valve Malfunction; C1274: RF TCS Prime Valve Malfunction
- DTC C1276: Delivered Torque Signal Circuit Malfunction; P1644: Delivered Torque Output Circuit; P1689: Traction Control Delivered Torque Control Circuit
- DTC C1277: Requested Torque Signal Circuit Malfunction; P1571: TCS PWM Circuit No Frequency
- DTC C1278: TCS Temporarily Inhibited By Pcm
- DTC C1291: Open Brake Lamp Switch Contacts During Deceleration
- DTC C1294: Brake Lamp Switch Circuit Always Active
- DTC C1295: Brake Lamp Switch Circuit Open
- Symptoms - Anti-Lock Brake System
- ABS Indicator Always On
- ABS Indicator Inoperative
- Traction Off Indicator Always On
- Traction Off Indicator Inoperative
- Repair Instructions
- ABS Automated Bleed Procedure
- Electronic Brake Control Module (EBCM) Replacement
- Brake Pressure Modulator Valve (BPMV) Replacement
- Brake Pressure Modulator Valve (BPMV) Bracket Replacement
- Wheel Speed Sensor Replacement - Front
- Wheel Speed Sensor Replacement - Rear
- Traction Control Switch Replacement (Impala)
- Traction Control Switch Replacement (Monte Carlo)
- Description & Operation
- Special Tools & Equipment