B1176

DTC Troubleshooting: B1176

DTC B1176:

Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Short

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

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 B1176 indicated?

YES -

Go to step 5.

NO -

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

5. Test the fuel gauge sending unit Fuel Gauge Sending Unit Test.

Is the fuel gauge sending unit OK?

YES -

Go to step 6.

NO -

Replace the fuel gauge sending unit Fuel Pump/Fuel Gauge Sending Unit Replacement.�

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

7. Disconnect the fuel tank unit 5P connector Fuel Gauge Sending Unit Test.

8. Disconnect gauge control module connector A (20P).

9. Check for continuity between fuel tank unit 5P connector terminal No. 2 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

Go to step 10.

10. Disconnect the secondary fuel gauge sending unit 5P connector Fuel Gauge Sending Unit Test.

11. Check for continuity between secondary fuel gauge sending unit 5P connector terminal No. 1 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

Go to step 12.

12. Check for continuity between fuel tank unit 5P connector terminal No. 1 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

Replace the gauge control module Service and Repair.�