Retrieving DTCS
Connect Tech 2 scan tool to DLC located under steering column. Access 4WAL brake DTCs. Repair DTCs in the order they appear. See 4WAL DIAGNOSTIC TROUBLE CODE (DTC) table for diagnosis. Before diagnosing DTC(s), perform DIAGNOSTIC SYSTEM CHECK .
4WAL DIAGNOSTIC TROUBLE CODE (DTC)
| DTC | (1)Definition | ||
|---|---|---|---|
| C0221 | Right Front Wheel Speed Sensor Circuit Open | ||
| C0222 | Right Front Wheel Speed Sensor Signal Missing | ||
| C0223 | Right Front Wheel Speed Sensor Signal Erratic | ||
| C0225 | Left Front Wheel Speed Sensor Circuit Open | ||
| C0226 | Left Front Wheel Speed Sensor Signal Missing | ||
| C0227 | Left Front Wheel Speed Sensor Signal Erratic | ||
| C0229 | Drop Out Of Front Wheel Speed Sensor Signals. | ||
| C0235 | Rear Speed Sensor Signal Circuit Open Or Grounded (Gasoline) | ||
| C0235 | Rear Speed Sensor Signal Circuit Open Or Grounded (Diesel) | ||
| C0236 | Rear Speed Sensor Signal Missing (Gasoline) | ||
| C0236 | Rear Speed Sensor Signal Missing (Diesel) | ||
| C0237 | Rear Speed Sensor Signal Erratic (Gasoline) | ||
| C0237 | Rear Speed Sensor Signal Erratic (Diesel) | ||
| C0238 | Wheel Speed Signal Malfunction | ||
| C0241 | Right Front Isolation Solenoid Circuit Open | ||
| C0242 | Right Front Dump Solenoid Circuit Open | ||
| C0243 | Right Front Isolation Solenoid Circuit Shorted | ||
| C0244 | Right Front Dump Solenoid Circuit Shorted | ||
| C0245 | Left Front Isolation Solenoid Circuit Open | ||
| C0246 | Left Front Dump Solenoid Circuit Open | ||
| C0247 | Left Front Isolation Solenoid Circuit Shorted | ||
| C0248 | Left Front Dump Solenoid Circuit Shorted | ||
| C0251 | Rear Isolation Solenoid Circuit Shorted | ||
| C0252 | Rear Dump Solenoid Circuit Open | ||
| C0253 | Rear Isolation Solenoid Circuit Shorted (Except "L" & "M" Series) | ||
| C0254 | Rear Dump Solenoid Circuit Shorted | ||
| C0265 | Pump Motor Relay Circuit Open | ||
| C0266 | Pump Motor Relay Circuit Shorted | ||
| C0267 | Pump Motor Circuit Open/Shorted (Except "L" & "M" Series) | ||
| C0267 | Pump Motor Circuit Open/Shorted ("L" & "M" Series) | ||
| C0268 | Pump Motor Circuit Locked/Shorted (Except "L" & "M" Series) | ||
| C0268 | Pump Motor Circuit Locked/Shorted ("L" & "M" Series) | ||
| C0269 | Excessive Dump/Isolation Time | ||
| C0271 | EBCM Internal Fault | ||
| C0272 | EBCM Internal Fault | ||
| C0273 | EBCM Internal Fault | ||
| C0274 | Excessive Dump/Isolation Time | ||
| C0281 | Stoplight Switch Always Closed Or Shorted | ||
| C0286 | ABS Indicator Light Circuit Shorted To Battery Voltage | ||
| C0288 | Brake Warning Light Circuit Shorted To Battery Voltage | ||
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