Using Tech 2 Scan Tool
NOTE:
When using Tech 2 scan tool for diagnostics, ABS/TCS system is disabled by EBCM/EBTCM. ANTI-LOCK indicator will illuminate indicating only normal power assist braking is available. After diagnostics have been completed using Tech 2 scan tool, disconnect scan tool from Data Link Connector (DLC) and turn ignition off for a least 10 seconds before road testing. This procedure is done to reset EBCM/EBTCM.
Connect Tech 2 scan tool to Data Link Connector (DLC) located under left side of instrument panel. Follow scan tool manufacturer's instructions to retrieve stored fault codes.
If multiple codes are displayed, begin diagnosis with code that is displayed first. See DIAGNOSTIC TROUBLE CODE table. Diagnose all codes in the order displayed by Tech 2 scan tool.
DIAGNOSTIC TROUBLE CODES
| DTC | (1)Definition | ||
|---|---|---|---|
| C1211 | ABS Indicator Light Circuit Malfunction ("C" Body) | ||
| C1211 | ABS Indicator Light Circuit Malfunction ("E" & "K" Bodies) | ||
| C1211 | ABS Indicator Light Circuit Malfunction ("H" Body) | ||
| C1214 | Solenoid Valve Relay Contact Or Coil Circuit Open | ||
| C1216 | Solenoid Valve Relay Coil Circuit Open ("H" Body) | ||
| C1217 | BPMV Pump Motor Relay Contact Circuit Open | ||
| C1221 | Left Front Wheel Speed Sensor Input Signal Equals Zero | ||
| C1222 | Right Front Wheel Speed Sensor Input Signal Equals Zero | ||
| C1223 | Left Rear Wheel Speed Sensor Input Signal Equals Zero | ||
| C1224 | Right Rear Wheel Speed Sensor Input Signal Equals Zero | ||
| C1225 | Left Front Excessive Wheel Speed Variation | ||
| C1226 | Right Front Excessive Wheel Speed Variation | ||
| C1227 | Left Rear Excessive Wheel Speed Variation | ||
| C1228 | Right Rear Excessive Wheel Speed Variation | ||
| C1232 | Left Front Wheel Speed Sensor Circuit Open Or Shorted | ||
| C1233 | Right Front Wheel Speed Sensor Circuit Open Or Shorted | ||
| C1234 | Left Rear Wheel Speed Sensor Circuit Open Or Shorted | ||
| C1235 | Right Rear Wheel Speed Sensor Circuit Open Or Shorted | ||
| C1236 | Low System Voltage | ||
| C1237 | High System Voltage | ||
| C1238 | Brake Thermal Model Limit Exceeded | ||
| C1241 | Magnasteer Circuit Malfunction | ||
| C1242 | BPMV Pump Motor Ground Circuit Open | ||
| C1243 | BPMV Pump Motor Stalled | ||
| C1252 | ICCS2 Data Link Left Malfunction ("E" & "K" Bodies) | ||
| C1253 | ICCS2 Data Link Right Malfunction ("E" & "K" Bodies) | ||
| C1255 | EBCM/EBTCM Internal Malfunction | ||
| C1256 | EBCM/EBTCM Internal Malfunction | ||
| C1261 | Left Front Hold Valve Solenoid Malfunction | ||
| C1262 | Left Front Release Valve Solenoid Malfunction | ||
| C1263 | Right Front Hold Valve Solenoid Malfunction | ||
| C1264 | Right Front Release Valve Solenoid Malfunction | ||
| C1265 | Left Rear Hold Valve Solenoid Malfunction | ||
| C1266 | Left Rear Release Valve Solenoid Malfunction | ||
| C1267 | Right Rear Hold Valve Solenoid Malfunction | ||
| C1268 | Right Rear Release Valve Solenoid Malfunction | ||
| C1271 | Left Front TCS Master Cylinder Isolation Valve Malfunction | ||
| C1272 | Left Front TCS Prime Valve Malfunction | ||
| C1273 | Right Front TCS Master Cylinder Isolation Valve Malfunction | ||
| C1274 | Right Front TCS Prime Valve Malfunction | ||
| C1275 | PCM Serial Data Malfunction ("H" Body) | ||
| C1276 | Delivered Torque Signal Circuit Malfunction | ||
| C1277 | Requested Torque Signal Circuit Malfunction | ||
| C1278 | TCS Temporarily Inhibited By PCM | ||
| C1281 | ABS Sensors Uncorrelated ("E" & "K" Bodies) | ||
| C1282 | Yaw Rate Sensor Bias Circuit Malfunction ("E" & "K" Bodies) | ||
| C1283 | Excessive Time To Center Steering ("E" & "K" Bodies) | ||
| C1284 | Lateral Accelerometer Sensor Self Test Malfunction ("E" & "K" Bodies) | ||
| C1285 | Lateral Accelerometer Sensor Circuit Malfunction ("E" & "K" Bodies) | ||
| C1286 | Steering/Lateral Accelerometer Sensor Bias Malfunction ("E" & "K" Bodies) | ||
| C1287 | Steering Sensor Rate Malfunction ("E" & "K" Bodies) | ||
| C1288 | Steering Sensor Circuit Malfunction ("E" & "K" Bodies) | ||
| C1291 | Open Brakelight Switch During Deceleration | ||
| C1293 | DTC C1291 Set In Current Or Previous Ignition Cycle | ||
| C1294 | Brakelight Switch Circuit Always Active | ||
| C1295 | Brakelight Switch Circuit Open | ||
| C1297 | PCM Indicated Extended Travel Brake Switch Failure ("E" & "K" Bodies) | ||
| C1298 | PCM Indicated Class 2 Serial Data Link Malfunction ("C", "E" & "K" Bodies) | ||
| U1016 | Loss Of PCM Communications ("C", "E" & "K" Bodies) | ||
| U1056 | Loss Of CVRSS Communications ("E" & "K" Bodies) | ||
| U1255 | Generic Loss Of Communications ("C", "E" & "K" Bodies) | ||
| U1300 | Class 2 Circuit Shorted To Ground ("C", "E" & "K" Bodies) | ||
| U1301 | Class 2 Circuit Shorted To Voltage ("C", "E" & "K" Bodies) | ||
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