DTC B1175: Fuel Gauge Sending Unit Circuit Open ('05-08 models)

Clear the DTCs with the HDS.
Turn the ignition switch OFF, and then back ON (II).
Wait for 30 seconds.
Check for DTCs with the HDS.
Is DTC B1175 indicated?

YES - Go to step 5.

NO - Intermittent failure, the fuel gauge sending unit circuit is OK at this time. Check for loose or poor connections.
Turn the ignition switch OFF.
Disconnect the fuel pump/fuel gauge sending unit 5P connector.
Disconnect gauge control module connector B (18P) and check for loose or bent terminals.
Reconnect the connectors.
Turn the ignition switch ON (II).
Measure the voltage between gauge control module connector B (18P) terminal No. 16 and fuel pump/fuel gauge sending unit 5P connector terminal No. 2, and gauge control module connector B (18P) terminal No. 17 and fuel pump/ fuel gauge sending unit 5P connector terminal No. 1.

Fig 1: Measuring Voltage Between Gauge Control Module And Fuel Pump/Fuel Gauge Sending Unit 5P Connector Terminal
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there less than 0.5 V?

YES - Go to step 11.

NO - Repair an open or high resistance in the YEL/ BLK or BLK/WHT wires.
Do the fuel gauge sending unit test (see FUEL GAUGE SENDING UNIT TEST ).
Is the fuel gauge sending unit OK?

YES - Replace the gauge control module.

NO - Replace the fuel gauge sending unit.