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 (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

Clear the DTCs with the HDS.
Turn the ignition switch OFF, and then back ON (II).
Check for DTCs with the HDS.
Is DTC B1176 indicated?
1. YES - Go to step 4.
2. NO - Intermittent failure, the fuel level sensor circuit is OK at this time. Check for loose or poor connections.
Do the fuel gauge sending unit test (see FUEL GAUGE SENDING UNIT TEST ).
Is the fuel gauge sending unit OK?
1. YES - Go to step 5.
2. NO - Replace the fuel gauge sending unit.
Disconnect the fuel tank unit 5P connector.
Disconnect the gauge control module connector A (30P).
Check for continuity between the gauge control module connector A (30P) No. 3 and No. 4 terminals and body ground.

Fig 1: Checking Continuity Between Gauge Control Module Connector A (30P) No. 3 & 4 Terminals And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?
1. YES - Repair short in the wire.
2. NO - Replace the gauge control module.