DTC Troubleshooting: B1175

DTC B1175: Fuel Gauge Sending Unit Signals Input Error

1. Clear the DTCs using the HDS.

1. Cycle the ignition switch to OFF, and then back ON.

1. Check the DTCs by selectiong the DTCs MENU from the HDS.

Is DTC B1175 indicated?

YES | - | Go to Step 4 .
NO | - | Intermittent failure, the gauge control module is OK at this time.■

1. Do the fuel gauge sending unit test.

Is the fuel gauge sending unit OK?

YES | - | Go to Step 2 .
NO | - | Replace the fuel gauge sending unit.■

1. Disconnect the gauge 30P connector control module.

1. 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 Step 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.■

1. 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.■
NO | - | Replace the gauge control module. ■