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Anti-Lock Brake System With Traction Control System - Abs-VI Expand All (for easy ctrl-f) Collapse All Model Identification Description Operation Bleeding Brake System Diagnosis & Testing Symptom Tests Notes Test A: Abs Warning Indicator On, No DTCS Stored (All Except Intrigue) Test B: Abs Warning Indicator On, No DTCS Stored (Intrigue) Test C: Abs Warning Indicator Inoperative ("J" & "N" Bodies) Test D: Abs Warning Indicator Off, No DTCS Stored (All Models, Except With ETS) Test E: ETS Off Warning Indicator Always On (ACHIEVA, Cutlass, 1999 Cavalier & 1999 SUNFIRE) Test F: ETS Off Warning Indicator Always On (1998 Cavalier, 1998 Grand Am, 1998 Skylark & 1998 SUNFIRE) Test G: ETS Off Warning Indicator Always On (1999 ALERO & 1999 Grand Am) Test H: ETS Off Warning Indicator Inoperative (ACHIEVA, Cutlass, 1999 Cavalier & 1999 SUNFIRE) Test I: ETS Off Warning Indicator Inoperative (Intrigue) Test J: ETS Off Warning Indicator Inoperative (1998 Cavalier, 1998 Grand Am, 1998 Skylark & 1998 SUNFIRE) Test K: ETS Off Warning Indicator Inoperative (1999 ALERO & 1999 Grand Am) Test L: Traction Control Warning Indicator Inoperative (1998 Century & 1998 Regal) Test M: Traction Control Warning Indicator Inoperative (1999 Lumina & 1999 Monte CARLO) Test N: Low Traction Indicator Always On (1999 Lumina & 1999 Monte CARLO) Test O: Scan Tool Displays Undefined DTC Test P: No Communication With EBCM/EBTCM (ALERO & Grand Am) Test Q: No Communication With EBCM/EBTCM (Cavalier & SUNFIRE) Test R: No Communication With EBCM/EBTCM (Cutlass & MALIBU) Test S: No Communication With EBCM/EBTCM (1999 Lumina) Diagnostic Tests * Please Read This First * DTC C1211: Abs Warning Indicator Circuit Malfunction (Lumina & Monte CARLO) DTC C1213: Abs Active Indicator Circuit Malfunction (Lumina & Monte CARLO) DTC C1214: Electronic Brake Control Relay Contact Circuit Open DTC C1215: Electronic Brake Control Relay Contact Circuit Always Active DTC C1216: Electronic Brake Control Relay Coil Circuit Open DTC C1217: Electronic Brake Control Relay Coil Circuit Shorted To Ground DTC C1218: Electronic Brake Control Relay Coil Circuit Shorted To Voltage DTC C1221: Left Front Wheel Speed Sensor Input Signal Equals Zero Or DTC C1225: Left Front Excessive Wheel Speed Sensor Variation DTC C1222: Right Front Wheel Speed Sensor Input Signal Equals Zero & DTC C1226: Right Front Excessive Wheel Speed Sensor Variation DTC C1223: Left Rear Wheel Speed Sensor Input Signal Equals Zero & DTC C1227: Left Rear Excessive Wheel Speed Sensor Variation DTC C1224: Right Rear Wheel Speed Sensor Input Signal Equals Zero & DTC C1228: Right Rear Excessive Wheel Speed Sensor Variation DTC C1232: Left Front Wheel Speed Sensor Circuit Open Or Shorted DTC C1233: Right Front Wheel Speed Sensor Circuit Open Or Shorted DTC C1234: Left Rear Wheel Speed Sensor Circuit Open Or Shorted DTC C1235: Right Rear Wheel Speed Sensor Circuit Open Or Shorted DTC C1236: Low System Supply Voltage DTC C1237: High System Supply Voltage DTC C1238: Left Front ESB Will Not Hold Motor DTC C1241: Right Front ESB Will Not Hold Motor DTC C1242: Rear ESB Will Not Hold Motor DTC C1243: VES Steering Wheel Position Sensor Circuit Malfunction (ACHIEVA, ALERO, Grand Am & Skylark) DTC C1244: Left Front Abs Channel Will Not Move DTC C1245: Right Front Abs Channel Will Not Move DTC C1246: Rear Abs Channel Will Not Move DTC C1247: Left Front Abs Motor Free Spins DTC C1248: Right Front Abs Motor Free Spins DTC C1251: Rear Abs Motor Free Spins DTC C1252: Left Front Abs Channel In Release Too Long DTC C1253: Right Front Abs Channel In Release Too Long DTC C1254: Rear Abs Channel In Release Too Long DTC C1255: EBCM/EBTCM Internal Malfunction DTC C1256: Left Front Abs Motor Circuit Open DTC C1257: Left Front Abs Motor Circuit Shorted To Ground DTC C1258: Left Front Abs Motor Circuit Shorted To Voltage DTC C1261: Right Front Abs Motor Circuit Open DTC C1262: Right Front Abs Motor Circuit Shorted To Ground DTC C1263: Right Front Abs Motor Circuit Shorted To Voltage DTC C1264: Rear Abs Motor Circuit Open DTC C1265: Rear Abs Motor Circuit Shorted To Ground DTC C1266: Rear Abs Motor Circuit Shorted To Voltage DTC C1267: DTC U1300 Previously Set (ALERO & 1999 Grand Am) DTC C1268: DTC U1301 Previously Set (ALERO & 1999 Grand Am) DTC C1273: VES Actuator Circuit Open Or Shorted To Ground (ACHIEVA, ALERO, Grand Am, Intrigue & Skylark) DTC C1274: VES Actuator Circuit Open Or Shorted To Voltage Or Solenoid Shorted (Intrigue) DTC C1274: VES Actuator Circuit Open Or Shorted To Voltage Or Solenoid Shorted (ACHIEVA, ALERO, Grand Am & Skylark) DTC C1275: Serial Data Malfunction (ACHIEVA, ALERO, Grand Am, Intrigue, Skylark & "J" Body) DTC C1275: Serial Data Malfunction (ALERO & 1999 Grand Am) DTC C1275: Serial Data Malfunction (Century & Regal) DTC C1276: Left Front Solenoid Circuit Open Or Shorted To Ground DTC C1277: Left Front Solenoid Circuit Shorted To Voltage DTC C1278: Right Front Solenoid Circuit Open Or Shorted To Ground DTC C1281: Right Front Solenoid Circuit Shorted To Voltage DTC C1282: Calibration Malfunction DTC C1286: EBCM/EBTCM Turned On Red Brake Warning Indicator DTC C1287: Red Brake Warning Indicator Circuit Open Or Short To Voltage ("W" Body) DTC C1291: Open BRAKELIGHT Switch Circuit During Deceleration Or DTC C1292: Open BRAKELIGHT Switch Circuit When Abs Was Required DTC C1293: DTC C1291 Or C1292 Set In Current Or Previous Ignition Cycle DTC C1294: BRAKELIGHT Switch Circuit Always Active DTC C1295: BRAKELIGHT Switch Circuit Open DTC C1315: Adjuster Assembly Thermal Model Temperature Exceeded (Century & Regal) DTC C1323: Pcm To EBTCM Delivered Torque Circuit Malfunction (Century & Regal) DTC C1324: Pcm To EBTCM Requested Torque Circuit Malfunction (Century & Regal) DTC C1344: Left TCS Channel Will Not Move (Century & Regal) DTC C1345: Right TCS Channel Will Not Move (Century & Regal) DTC C1347: Left TCS Motor Free Spins (Century & Regal) DTC C1348: Right TCS Motor Free Spins (Century & Regal) DTC C1355: EBTCM Internal Malfunction (Century & Regal) DTC C1356: Left TCS Motor Circuit Open (Century & Regal) DTC C1357: Left TCS Motor Circuit Shorted To Ground (Century & Regal) DTC C1358: Left TCS Motor Circuit Shorted To Voltage (Century & Regal) DTC C1361: Right TCS Motor Circuit Open (Century & Regal) DTC C1362: Right TCS Motor Circuit Shorted To Ground (Century & Regal) DTC C1363: Right TCS Motor Circuit Shorted To Voltage (Century & Regal) DTC U1016: Loss Of Pcm Communications (ALERO, 1998 Century, 1999 Grand Am, Intrigue & Regal) DTC U1255: Class 2 Communications Malfunction (1998 Century, Intrigue & Regal) DTC U1300: Class 2 Communications Circuit Shorted To Ground (Century, Intrigue & Regal) DTC U1300: Class 2 Circuit Shorted To Ground (Cutlass & MALIBU) DTC U1301: Class 2 Communications Circuit Shorted To Battery (Century, Intrigue & Regal) DTC U1301: Class 2 Circuit Shorted To Battery (Cutlass & MALIBU) Removal & Installation Torque Specifications Wiring Diagrams