B1058

DTC Troubleshooting: B1058, B1059

DTC B1058:

Relay Control Module Lost Communication With Door Multiplex Control Unit (Door Lock Switch message)

DTC B1059:

Relay Control Module Lost Communication With Door Multiplex Control Unit (Panic 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.

Are DTCs B1058 and/or B1059 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections.�

5. Check for DTCs with the HDS.

B1058: Are DTCs B1006 and B1160 also indicated? B1059: Is DTC B1010 also indicated?

YES -

Do the door multiplex control unit input test Door Multiplex Control Unit Input Test.�

NO -

Do the relay control module input test Relay Control Module Input Test.�