B1062

DTC Troubleshooting: 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 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 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, B1555, and B1957 also indicated?

YES -

Go to combination switch control unit input test Combination Switch Control Unit Input Test.�

NO -

Go to relay control module input test Relay Control Module Input Test.�