B1176

DTC Troubleshooting: B1176

DTC B1176: Fuel Gauge Unit Circuit Short

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

2. Clear the DTC with the HDS.

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

4. Wait more than 30 seconds.

5. Check for DTCs with the HDS.

Is DTC B1176 indicated?
YES - Go to step 6.

NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the gauge assembly and the fuel gauge sending unit.


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

7. Disconnect the fuel gauge sending unit 5P connector.

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

9. Clear the DTCs with the HDS.

10. Wait more than 30 seconds.

11. Check for DTCs with the HDS.

Is DTC B1176 indicated?
YES - Go to step 12.

NO - Replace the fuel gauge sending unit. Fuel Pump/Fuel Gauge Sending Unit Replacement


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

13. Disconnect gauge assembly connector B (30P).

14. Check for continuity between gauge assembly connector B (30P) terminal No. 10 and body ground.

Is there continuity?
YES - Repair a short to ground between the gauge assembly and the fuel gauge sending unit.

NO - Replace the gauge assembly. Service and Repair