Differential DTCS
DIFFERENTIAL DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Detecting item | Detecting condition (DTC will set when detecting) |
|---|---|---|
| C1240 | 4WD control module power supply circuit malfunction | Battery voltage is lower than lower limit voltage for 4WD control module diagnosis. |
| C1243 | Internal circuit malfunction of 4WD control module | Internal power supply malfunction of 4WD control module |
| C1250 | Coupling air temperature sensor open | Sensor output voltage too high |
| C1251 | Coupling air temperature sensor short | Sensor output voltage too low |
| C1252 | Coupling assembly open | 2WD/4WD switch is changed of 4WD lock position, and then vehicle is not changed for more than 5 seconds. |
| C1253 | Coupling assembly short | 2WD/4WD switch is changed of 4WD lock position, and then vehicle is not changed for more than 5 seconds. |
| C1254 | 2WD/4WD switch malfunction | Different switch combination from specification is detected more than 5 seconds. |
| U0073 | Control module communication bus off | Transmitting and receiving error of 4WD control module for specified time continuously |
| U0100 | Lost communication with ECM | Receiving error of 4WD control module from ECM for specified time continuously |
| U0121 | Lost communication with ABS / ESP® control module | Receiving error of 4WD control module from ABS / ESP® control module for specified time continuously |
| U0155 | Lost communication with instrument panel cluster control module | Receiving error of 4WD control module from combination meter for specified time continuously |