Diesel Data: Automotive Repair

B1356




DTC Troubleshooting: B1356

DTC B1356:

Power Tailgate Control Unit Lost Communication With Door Multiplex Control Unit (Door Lock 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. Check for DTCs with the HDS.

Is DTC B1356 indicated?

YES -

Go to step 4.

NO -

Intermittent failure. The power tailgate system is OK at this time. Check for loose or poor connections at the power tailgate control unit connector and at the door multiplex control unit connector.�

4. Check for the DTCs with the HDS.

Are DTCs B1006, B1058, and B1160 indicated?

YES -

Go to the door multiplex control unit input test MICU Input Test.�

NO -

Go to the power tailgate control unit input test Power Tailgate Control Unit Input Test.�