B1062
DTC B1062: Relay Control Module Lost Communication with Combination Switch Control Unit (Headlight Switch 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.
4. Check for DTCs with the HDS.
Is DTC B1062 indicated?
YES - Go to step 5.
NO - Intermittent failure, the communication line is OK at this time.
5. Check for DTCs with the HDS.
Are DTCs B1007, B1155, and 2108 also indicated?
YES - Go to the combination switch control unit input test. Combination Switch Control Unit Input Test
NO - Go to the relay control module input test. Relay Control Module Input Test