B1960

DTC Troubleshooting: B1960

DTC B1960:

MICU-Rear Junction Box Lost Communication With Climate Control Unit (A/C Message)

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0), and then back to ON (II).

3. Wait for at least 6 seconds.

4. Check for DTCs with the HDS.

Is DTC B1960 indicated?

YES -

Go to the MICU-rear junction box input test MICU-Rear Junction Box Input Test.�

NO -

Go to the front climate control unit troubleshooting Climate Control Communication Line Circuit Troubleshooting.�