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Home >> Acura >> 2005 >> TL Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Multiplex Integrated Control System >> DTC Troubleshooting >> DTC B1150: Communication Bus Line Error (BUS Off)
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DTC B1150: Communication Bus Line Error (BUS Off)

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 B1150 indicated? 

    1. YES  - Go to step  4.
    2. NO  - Intermittent failure, the system is OK at this time. Check for loose or poor connections at gauge control module connector B (18P), and at under-dash fuse/relay box connector N (45P).
  4. Check for DTCs with the HDS.

    Is DTC B1000 indicated? 

    1. YES  - Troubleshoot DTC B1000.
    2. NO  - If the B1150 is indicated, replace the gauge control module.
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