GM Service Manual Online
For 1990-2009 cars only

DTC

Description

Type

Illuminate ABS/TCS Indicator

C1211

DTC C1211 ABS Indicator Lamp Circuit Malfunction

ABS

ABS or NO

C1214

DTC C1214 Solenoid Valve Relay Contact or Coil Circuit Open

ABS

ABS/TCS

C1217

DTC C1217 Pump Motor Relay Contact Circuit Open

ABS

ABS/TCS

C1221

DTC C1221 LF Wheel Speed Sensor Input Signal is 0

ABS

ABS/TCS

C1222

DTC C1222 RF Wheel Speed Sensor Input Signal is 0

ABS

ABS/TCS

C1223

DTC C1223 LR Wheel Speed Sensor Input Signal is 0

ABS

ABS/TCS

C1224

DTC C1224 RR Wheel Speed Sensor Input Signal is 0

ABS

ABS/TCS

C1225

DTC C1225 LF Excessive Wheel Speed Variation

ABS

ABS/TCS

C1226

DTC C1226 RF Excessive Wheel Speed Variation

ABS

ABS/TCS

C1227

DTC C1227 LR Excessive Wheel Speed Variation

ABS

ABS/TCS

C1228

DTC C1228 RR Excessive Wheel Speed Variation

ABS

ABS/TCS

C1232

DTC C1232 LF Wheel Speed Circuit Open or Shorted

ABS

ABS/TCS

C1233

DTC C1233 RF Wheel Speed Circuit Open or Shorted

ABS

ABS/TCS

C1234

DTC C1234 LR Wheel Speed Circuit Open or Shorted

ABS

ABS/TCS

C1235

DTC C1235 RR Wheel Speed Circuit Open or Shorted

ABS

ABS/TCS

C1236

DTC C1236 Low System Supply Voltage

ABS

ABS/TCS

C1237

DTC C1237 High System Supply Voltage

ABS

ABS/TCS

C1238

DTC C1238 Brake Thermal Model Exceeded

ABS

TCS

C1241

DTC C1241 Magnasteer Malfunction in Variable Effort Steering

ABS

NO

C1243

DTC C1243 BPMV Pump Motor Stalled

ABS

ABS/TCS

C1252

DTC C1252 ICCS2 Data Link Left Malfunction

ABS

NO

C1253

DTC C1253 ICCS2 Data Link Right Malfunction

ABS

NO

C1255

DTC C1255 EBTCM Internal Malfunction

ABS

ABS/TCS

C1256

DTC C1256 EBCM Internal Malfunction

ABS

NO

C1261

DTC C1261 LF Inlet Valve Solenoid Malfunction

ABS

ABS/TCS

C1262

DTC C1262 LF Outlet Valve Solenoid Malfunction

ABS

ABS/TCS

C1263

DTC C1263 RF Inlet Valve Solenoid Malfunction

ABS

ABS/TCS

C1264

DTC C1264 RF Outlet Valve Solenoid Malfunction

ABS

ABS/TCS

C1265

DTC C1265 LR Inlet Valve Solenoid Malfunction

ABS

ABS/TCS

C1266

DTC C1266 LR Outlet Valve Solenoid Malfunction

ABS

ABS/TCS

C1267

DTC C1267 RR Inlet Valve Solenoid Malfunction

ABS

ABS/TCS

C1268

DTC C1268 RR Outlet Valve Solenoid Malfunction

ABS

ABS/TCS

C1271

DTC C1271 LF TCS Master Cylinder Isolation Valve Malfunction

ABS

ABS/TCS

C1272

DTC C1272 LF TCS Prime Valve Malfunction

ABS

ABS/TCS

C1273

DTC C1273 RF TCS Master Cylinder Isolation Valve Malfunction

ABS

ABS/TCS

C1274

DTC C1274 RF TCS Prime Valve Malfunction

ABS

ABS/TCS

C1276

DTC C1276 Delivered Torque Signal Circuit Malfunction

ABS

TCS

C1277

DTC C1277 Requested Torque Signal Circuit Malfunction

ABS

TCS

C1278

DTC C1278 TCS Temporarily Inhibited By PCM

ABS

NO

C1281

DTC C1281 Stabilitrak Sensors Uncorrelated

ABS

NO

C1282

DTC C1282 Yaw Rate Sensor Bias Circuit Malfunction

ABS

NO

C1283

DTC C1283 Excessive Time to Center Steering

ABS

NO

C1284

DTC C1284 Lateral Accelerometer Sensor Self Test Malfunction

ABS

NO

C1285

DTC C1285 Lateral Accelerometer Sensor Circuit Malfunction

ABS

NO

C1286

DTC C1286 Steering/Lateral Accelerometer Sensor Bias Malfunction

ABS

NO

C1287

DTC C1287 Steering Sensor Rate Malfunction

ABS

NO

C1288

DTC C1288 Steering Sensor Circuit Malfunction

ABS

NO

C1291

DTC C1291 Open Brake Lamp Switch Contacts During Deceleration

ABS

TCS

C1293

DTC C1293 Code C1291 Set in Previous Ignition Cycle

ABS

TCS

C1294

DTC C1294 Brake Lamp Switch Circuit Always Active

ABS

TCS

C1295

DTC C1295 Brake Lamp Switch Circuit Open

ABS

TCS

C1297

DTC C1297 PCM Indicated Brake Extended Travel Switch Failure

ABS

NO

C1298

DTC C1298 PCM Class 2 Serial Data Link Malfunction

ABS

TCS

U1016

DTC U1016 Loss of Communications with PCM in Data Link Communications

ABS

NO

U1056

DTC U1056 Loss of Communications with RSS in Data Link Communications

ABS

NO

U1255

DTC U1255 Serial Data Line Malfunction in Data Link Communications

ABS

NO

U1300

DTC U1300 Class 2 Short to Ground in Data Link Communications

ABS

NO

U1301

DTC U1301 Class 2 Short to Battery in Data Link Communications

ABS

NO