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Home >> Acura >> 2007 >> TSX Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Gauges >> DTC Troubleshooting >> DTC B1156: Gauge Control Module Lost Communication with the Combination Switch Control Unit (Wiper Switch Message)

DTC B1156: Gauge Control Module Lost Communication with the Combination Switch Control Unit (Wiper 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 B1156 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) of the HDS.

    Is DTC B1063 also indicated? 

    YES  - Go to COMBINATION SWITCH CONTROL UNIT INPUT TEST .

    NO  - Go to GAUGE CONTROL MODULE INPUT TEST .

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