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

NO

C1214

DTC C1214 Solenoid Valve Relay Contact or Coil Circuit Open

ABS

ABS/TCS

C1216

DTC C1216 Brake Control Relay 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

C1242

DTC C1242 BPMV Pump Motor Ground Circuit Open

ABS

ABS/TCS

C1243

DTC C1243 BPMV Pump Motor Stalled

ABS

ABS/TCS

C1255

DTC C1255 EBCM/EBTCM Internal Malfunction

ABS

ABS/TCS

C1256

DTC C1256 EBCM/EBTCM 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

C1275

DTC C1275 Serial Data Malfunction

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

TCS

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