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.

DTC Description
DTC
B1176 Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Short
 

1.
Problem verification:

Problem verification
?1.
Clear the DTCs with the HDS.


?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
B1176 Fuel level sensor (Fuel gauge sending unit) circuit short
 

Is DTC B1176 indicated?

     
YES
     
     
     
Go to step 2.
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Check for loose or poor connections.?
2.
Shorted wire check (FUEL GAUGE+ line):

Shorted wire check (FUEL GAUGE+ line)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Disconnect the following connectors.
Gauge control module connector A (32P)
Fuel tank unit 4P connector

?3.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
Fuel tank unit 4P connector: disconnected
Gauge control module connector A (32P): disconnected
Test point 1
Test point 2
Body ground

Is there continuity?

     
YES
     
     
     
Repair a short to ground in the wire.?
     
NO
     
     
     
The FUEL GAUGE+ wire is OK. Go to step 3.
3.
Fuel gauge sending unit check:

Fuel gauge sending unit check
?1.

Is the fuel gauge sending unit OK?

     
YES
     
     
     
     
NO