DTC U0164: Door Multiplex Control Unit Lost Communication with Climate Control Unit
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see
TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
)
- Clear the DTCs with the HDS
- Turn the ignition switch to LOCK (0) and then back to ON (II)
- Wait for 6 seconds or more
- Check for DTCs with the HDS
Is DTC U0164 indicated?
YES -Go to the door multiplex control unit input test and check the power and ground If OK, replace the driver's power window master switch (see REAR POWER WINDOW SWITCH TEST )
NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections between the door multiplex control unit and climate control unit