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Home >> Acura >> 2004 >> TSX Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Gauges >> DTC Troubleshooting >> DTC B1155: Gauge Control Module Lost Communication with the Combination Switch Control Unit (Headlight Switch Message)

DTC B1155: Gauge Control Module Lost Communication with the Combination Switch Control Unit (Headlight Switch Message)

NOTE: If you are troubleshooting multiple DTC's 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 using the HDS.
  2. Cycle the ignition switch to OFF, and then back ON.
  3. Check for DTCs by selecting the DTCs MENU (DTCs) from the HDS.

    Is DTC B1155 indicated? 

    YES  - Go to step 4.

    NO  - Intermittent failure. The gauge control system is OK at this time. Check pinfits and connections.

  4. Check for DTCs by selecting the DTCs MENU (DTCs) from the HDS.

    Is DTC B1007 or B1062 also indicated? 

    YES  - Go to COMBINATION SWITCH CONTROL UNIT INPUT TEST .

    NO  - Go to GAUGE CONTROL MODULE INPUT TEST .

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