B1175

DTC Troubleshooting: B1175

DTC B1175: Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Open

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0), and then back to ON (II).

3. Wait for at least 30 seconds.

4. Check for DTCs with the HDS.

Is DTC B1175 indicated?
YES - Go to step 5.

NO - Intermittent failure, the fuel level sensor circuit is OK at this time. Check for loose or poor connections.


5. Turn the ignition switch to LOCK (0).

6. Disconnect the fuel pump 5P connector.

7. Disconnect the gauge control module 36P connector and check for loose or bent terminals.

8. Reconnect the connectors.

9. Turn the ignition switch to ON (II).

10. Measure the voltage between gauge control module 36P connector terminal No. 32 and fuel pump 5P connector terminal No. 2, and between gauge control module 36P connector terminal No. 35 and fuel pump 5P connector terminal No. 1.

Is there less than 0.1 V?
YES - Go to step 11.

NO - Repair an open or high resistance in the YEL/BLK or the BLK/WHT wires.






11. Do the fuel gauge sending unit test. Testing and Inspection

Is the fuel gauge sending unit OK?
YES - Replace the gauge control module.

NO - Replace the fuel gauge sending unit.