DTC Troubleshooting: B1175

DTC B1175:  Fuel Gauge Sending Unit Signals Input Error


1.Do the fuel gauge sending unit test.

Is the fuel gauge sending unit OK?


YES - Go to 2.


NO - Replace the fuel gauge sending unit.n


2.Disconnect the gauge 30P connector control module.

3.Check for continuity between the No. 3 and No. 4 terminals of the gauge control module 30P connector and No. 1and No. 2 terminals of the fuel pump/fuel gauge sending unit 5P connector.

Is there continuity?


YES - Go to 4.


NO - Repair an open in the BLK/WHT and BRN or YEL/BLK and PUR wire between the gauge control module and fuel gauge sending unit.n

4.Check for continuity between the No. 3 and No. 4 terminals of the gauge control module 30P connector and body ground.

Is there continuity?


YES - Repair a short in the BLK/WHT or YEL/BLK wire.n


NO - Replace the gauge control module.n