GM Service Manual Online
For 1990-2009 cars only

DTC/Description

Type

Illuminate Indicator or Turn ON DIC Message

DTC B2597 Traction Control System Switch Circuit

BCM

None

DTC C1214 Solenoid Valve Relay Contact or Coil Circuit Open

ABS

ABS/TCS/DIC

DTC C1217 Pump Motor Relay Contact Circuit Open

ABS

ABS/TCS/DIC

DTC C1221 LF Wheel Speed Sensor Input Signal is 0

ABS

ABS/TCS/DIC

DTC C1222 RF Wheel Speed Sensor Input Signal is 0

ABS

ABS/TCS/DIC

DTC C1223 LR Wheel Speed Sensor Input Signal is 0

ABS

ABS/TCS/DIC

DTC C1224 RR Wheel Speed Sensor Input Signal is 0

ABS

ABS/TCS/DIC

DTC C1225 LF Excessive Wheel Speed Variation

ABS

ABS/TCS/DIC

DTC C1226 RF Excessive Wheel Speed Variation

ABS

ABS/TCS/DIC

DTC C1227 LR Excessive Wheel Speed Variation

ABS

ABS/TCS/DIC

DTC C1228 RR Excessive Wheel Speed Variation

ABS

ABS/TCS/DIC

DTC C1232 LF Wheel Speed Circuit Open or Shorted

ABS

ABS/TCS/DIC

DTC C1233 RF Wheel Speed Circuit Open or Shorted

ABS

ABS/TCS/DIC

DTC C1234 LR Wheel Speed Circuit Open or Shorted

ABS

ABS/TCS/DIC

DTC C1235 RR Wheel Speed Circuit Open or Shorted

ABS

ABS/TCS/DIC

DTC C1236 Low System Supply Voltage

ABS

ABS/TCS/DIC

DTC C1237 High System Supply Voltage

ABS

ABS/TCS/DIC

DTC C1241 Magnasteer Malfunction

ABS

ABS/TCS/DIC

DTC C1242 BPMV Pump Motor Ground Circuit Open

ABS

ABS/TCS/DIC

DTC C1243 BPMV Pump Motor Stalled

ABS

ABS/TCS/DIC

DTC C1255 EBTCM Internal Malfunction

ABS

ABS/TCS/DIC

DTC C1256 EBCM Internal Malfunction

ABS

None

DTC C1261 LF Inlet Valve Solenoid Malfunction

ABS

None

DTC C1262 LF Outlet Valve Solenoid Malfunction

ABS

ABS/TCS/DIC

DTC C1263 RF Inlet Valve Solenoid Malfunction

ABS

ABS/TCS/DIC

DTC C1264 RF Outlet Valve Solenoid Malfunction

ABS

ABS/TCS/DIC

DTC C1265 LR Inlet Valve Solenoid Malfunction

ABS

ABS/TCS/DIC

DTC C1266 LR Outlet Valve Solenoid Malfunction

ABS

ABS/TCS/DIC

DTC C1267 RR Inlet Valve Solenoid Malfunction

ABS

ABS/TCS/DIC

DTC C1268 RR Outlet Valve Solenoid Malfunction

ABS

ABS/TCS/DIC

DTC C1271 LF TCS Master Cylinder Isolation Valve Malfunction

ABS

ABS/TCS

DTC C1272 LF TCS Valve Solenoid Malfunction

ABS

ABS/TCS/DIC

DTC C1273 RF TCS Master Cylinder Isolation Valve Malfunction

ABS

ABS/TCS/DIC

DTC C1274 RF TCS Valve Solenoid Malfunction

ABS

ABS/TCS/DIC

DTC C1276 Delivered Torque Signal Circuit Malfunction

ABS

TCS/DIC

DTC C1277 Requested Torque Signal Circuit Malfunction

ABS

TCS/DIC

DTC C1278 TCS Temporarily Inhibited By PCM

ABS

TCS/DIC

DTC C1281 Steering Sensor Uncorrelated Malfunction

ABS

DIC

DTC C1281 Steering Sensor Uncorrelated Malfunction

ABS

TCS/DIC

DTC C1282 Yaw Rate Sensor Bias Circuit Malfunction

ABS

TCS/DIC

DTC C1283 Excessive Time to Center Steering

ABS

TCS/DIC

DTC C1284 Lateral Accelerometer Sensor Self Test Malfunction

ABS

TCS

DTC C1285 Lateral Accelerometer Sensor Circuit Malfunction

ABS

TCS/DIC

DTC C1286 Steering Sensor Bias Malfunction

ABS

DIC

DTC C1286 Steering/Lateral Accelerometer Sensor Bias Malfunction

ABS

TCS/DIC

DTC C1287 Steering Sensor Rate Malfunction

ABS

DIC

DTC C1287 Steering Sensor Rate Malfunction

ABS

TCS/DIC

DTC C1288 Steering Sensor Circuit Malfunction

ABS

DIC

DTC C1288 Steering Sensor Circuit Malfunction

ABS

TCS/DIC

DTC C1291 Open Brake Lamp Switch Contacts During Deceleration

ABS

TCS/DIC

DTC C1293 DTC C1291/C1292 Set in Current or Previous Ignition Cycle

ABS

TCS/DIC

DTC C1294 Brake Lamp Switch Circuit Always Active

ABS

TCS/DIC

DTC C1295 Brake Lamp Switch Circuit Open

ABS

TCS/DIC

DTC C1296 Master Cylinder Sensor Circuit Open or Shorted

ABS

TCS/DIC

DTC U1001-U1254 Lost Communication with XXX

ABS

ABS/TCS/DIC

DTC U1000 and DTC U1255 Class 2 Communication Malfunction

ABS

ABS/TCS/DIC

DTC U1300 Class 2 Short to Ground

ABS

ABS/TCS/DIC

DTC U1301 Class 2 Short to Battery

ABS

ABS/TCS/DIC