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Home >> Acura >> 2006 >> RL >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Gauges) >> DTC Troubleshooting >> DTC B1155: Gauge Control Module Lost Communication with Combination Switch Control Unit (Headlight Switch Message)
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DTC B1155: Gauge Control Module Lost Communication with Combination Switch Control Unit (Headlight Switch Message)

WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
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 B1155 indicated ? 

    YES  -Go to step 4.

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

  4. Check for DTCs with the HDS.

    Are DTCs B1007 or B1062, B1555 also indicated? 

    YES  -Go to Combination Switch Control Unit Input Test (see COMBINATION SWITCH CONTROL UNIT INPUT TEST ).

    NO  -Go to Gauge Control Module Input Test (see GAUGE CONTROL MODULE INPUT TEST ).