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DTC B1160: Gauge Control Module 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 (see TROUBLESHOOTING - 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. Check for DTCs with the HDS.

    Is DTC B1160 indicated? 

    1. YES  - Go to step 4.
    2. NO  - Intermittent failure. The gauge control system is OK at this time. Check pinfits and connections.
  4. Check for DTCs with the HDS.

    Is DTC B1006 or B1058 indicated? 

    1. YES  - Go to DOOR MULTIPLEX CONTROL UNIT INPUT TEST .
    2. NO  - Go to GAUGE CONTROL MODULE INPUT TEST .
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