LEMON Manuals: Even more car manuals for everyone
Home >> Honda >> 2021 >> CR-V EX-L, AWD >> Repair and Diagnosis >> Electrical >> Gauges >> Gauge Control System - Diagnostics (Except Hybrid) >> Troubleshooting >> DTC B1175

DTC B1175

DTC B1175  : Fuel level sensor (Fuel gauge sending unit) circuit malfunction

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

DTC Description DTC
B1175 Fuel level sensor (Fuel gauge sending unit) circuit malfunction  

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
    B1175 Fuel level sensor (Fuel gauge sending unit) circuit malfunction  

    Is DTC B1175 indicated?

    YES 

    Go to step 2.

    NO 

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

  2. Open wire check (FUEL GAUGE lines)

    -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 point 1 Gauge control module connector A (32P) No. 22
    Test point 2 Fuel tank unit 4P connector (female terminals) No. 2:
    Test point 1 Gauge control module connector A (32P) No. 21
    Test point 2 Fuel tank unit 4P connector (female terminals) No. 4:
    GHH428153Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The FUEL GAUGE wires are OK. Go to step 3.

    NO 

    Repair an open or high resistance in the wire(s).

  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 .