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HOMESERVICE MANUALSACURA2015MDX BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALGAUGESGAUGE CONTROL SYSTEM - DIAGNOSTICS (EXCEPT HYBRID)TROUBLESHOOTINGDTC B1176
2015 Acura MDX Base

DTC B1176

2015 Acura MDX BaseSECTION 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)

NOTE:

If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to:


Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks (2014 2015 2016) or
Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks (2017 2018 2019 2020)
  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 .

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.