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DTC Table

DTC TABLE

DTC No. Detecting item Detecting condition (DTC will set when detecting) 4WD position Indicator
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
NOTE: "O" in transfer position indicator column of the above table means indicator lights up when DTC is detected.