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 to LOCK (0) and then back to ON (II), or press the engine start/stop button to select the OFF mode and then the ON mode
Wart for at least 30 seconds
Check for DTCs with the HDS
Is DTC B1176 indicated?

YES -Go to step 5

NO -Intermittent failure, the fuel level sensor circuit is OK at this time Check for worn/missing insulation or an internal short in the wire
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode
Disconnect the fuel gauge sending unit 4P connector
Clear the DTCs with the HDS
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
Wait for at least 30 seconds
Check for DTCs with the HDS
Is DTC B1176 indicated?

YES -Go to step 11

NO -Replace the fuel gauge sending unit (see FUEL PUMP/FUEL GAUGE SENDING UNIT REPLACEMENT )
Disconnect the gauge control module 32P connector
Check for continuity between gauge control module 32P connector terminal No 22 and body ground

Fig 1: Checking Continuity Between Gauge Control Module 32P Connector Terminal No 22 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair short to ground in the wire between the gauge control module and the fuel gauge sending unit

NO -Replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT )