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Home >> Acura >> 2007 >> RL >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Gauges) >> DTC Troubleshooting >> DTC B1156: Gauge Control Module Lost Communication with Combination Switch Control Unit (Wiper Switch Message)
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DTC B1156: Gauge Control Module Lost Communication with Combination Switch Control Unit (Wiper 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 B1156 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.

    Is DTC B1063 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 ).