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Home >> Acura >> 2017 >> MDX Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Gauge Control System - Diagnostics (Except Hybrid) >> Troubleshooting >> DTC B1176

DTC B1176

DTC B1176  : Fuel level sensor (fuel gauge sending unit) circuit short

DTC Description DTC
B1176 Fuel level sensor (fuel gauge sending unit) circuit short  

DTC (Gauge Control Module)

  1. Problem verification

    - 1. Clear the DTCs with the HDS.

    - 2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

    - 3. Wait for at least 30 seconds.

    - 4. Check for DTCs with the HDS.

    DTC Description DTC
    B1176 Fuel level sensor (fuel gauge sending unit) circuit short  

    Is DTC B1176 indicated?

    YES 

    Go to step 2.

    NO 

    Intermittent failure, the system is OK at this time. Check for loose or poor connections.

  2. Shorted wire check (FUEL + line)

    - 1. Turn the vehicle to the OFF (LOCK) mode.

    - 2. Disconnect the following connector.

    Gauge control module connector A (32P)Fuel tank unit 4P connector

    - 3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
    Gauge control module connector A (32P): disconnected
    Fuel tank unit 4P connector: disconnected
    Test circuit FUEL +
    Test point 1 Gauge control module connector A (32P) No. 6
    Test point 2 Body ground
    GHH321632Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Repair a short to ground in the FUEL + wire.

    NO 

    The FUEL + wire is OK. Go to step 3.

  3. Fuel gauge sending unit check

    - 1. Do the fuel gauge sending unit test.

    Is the unit OK?

    YES 

    Replace the gauge control module .

    NO 

    Replace the fuel gauge sending unit .