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.

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Wait for 6 seconds or more.
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 climate control unit troubleshooting. Climate Control Communication Circuit Troubleshooting