DTC : B1175 (2016 2017 2018)

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

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

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 - Initial Communication and DTC Checks .

Problem verification

- 1. Clear the DTCs with the HDS.

Clear DTCs

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

- 3. Turn the vehicle to the ON mode, and wait more than 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.

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

Open wire check (FUEL+, FUEL- lines)

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

- 2. Disconnect the following connectors.

Gauge control module 32P connector

Fuel tank unit 4P connector

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

Test condition	Vehicle OFF (LOCK) mode Fuel tank unit 4P connector: disconnected Gauge control module 32P connector: disconnected
Test point 1	Gauge control module 32P connector No. 21 - Refer to: Gauge Control Module Connector for Inputs and Outputs (2016 2017 218)
Test point 2	Fuel tank unit 4P connector No. 2

Test point 1	Gauge control module 32P connector No. 22 - Refer to: Gauge Control Module Connector for Inputs and Outputs (2016 2017 218)
Test point 2	Fuel tank unit 4P connector No. 4

Courtesy of HONDA, U.S.A., INC.

Is there continuity?

YES

The FUEL+ and FUEL- wires are OK. Go to step 3.

Repair an open or high resistance in the wire.