GM Service Manual Online
For 1990-2009 cars only

Description

Module

DTC C1212 Class 2 Data Link Low

EBCM

DTC C1213 Class 2 Data Link High

EBCM

DTC C1214 System Relay Contact or Coil Circuit Open

EBCM

DTC C1215 Idle Up Circuit Malfunction

EBCM

DTC C1217 Pump Motor Shorted to Ground

EBCM

DTC C1218 Pump Motor Circuit Shorted to Voltage or Motor Ground Open

EBCM

DTC C1221 LF Wheel Speed Sensor Input Signal is 0

EBCM

DTC C1222 RF Wheel Speed Sensor Input Signal is 0

EBCM

DTC C1223 LR Wheel Speed Sensor Input Signal is 0

EBCM

DTC C1224 RR Wheel Speed Sensor Input Signal is 0

EBCM

DTC C1225 LF Excessive Wheel Speed Variation

EBCM

DTC C1226 RF Excessive Wheel Speed Variation

EBCM

DTC C1227 LR Excessive Wheel Speed Variation

EBCM

DTC C1228 RR Excessive Wheel Speed Variation

EBCM

DTC C1232 LF Wheel Speed Circuit Open or Shorted

EBCM

DTC C1233 RF Wheel Speed Circuit Open or Shorted

EBCM

DTC C1234 LR Wheel Speed Circuit Open or Shorted

EBCM

DTC C1235 RR Wheel Speed Circuit Open or Shorted

EBCM

DTC C1236 Low System Supply Voltage

EBCM

DTC C1237 High System Supply Voltage

EBCM

DTC C1242 Pump Motor Circuit Open

EBCM

DTC C1243 BPMV Pump Motor Stalled

EBCM

DTC C1254 Abnormal Shutdown Detected

EBCM

DTC C1255 EBCM Internal Malfunction

EBCM

DTC C1256 EBCM Internal Malfunction

EBCM

DTC C1257 Accelerometer Circuit Malfunction

EBCM

DTC C1258 4WD Switch Circuit Malfunction

EBCM

DTC C1261 LF Inlet Valve Solenoid Malfunction

EBCM

DTC C1262 LF Outlet Valve Solenoid Malfunction

EBCM

DTC C1263 RF Inlet Valve Solenoid Malfunction

EBCM

DTC C1264 RF Outlet Valve Solenoid Malfunction

EBCM

DTC C1267 Rear Inlet Valve Solenoid Malfunction

EBCM

DTC C1268 Rear Outlet Valve Solenoid Malfunction

EBCM

DTC C1295 Brake Lamp Switch Circuit Open

EBCM

DTC U1300 Class 2 Data Link Low in Data Link Communications

EBCM

DTC U1301 Class 2 Data Link High in Data Link Communications

EBCM