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)
Wait for 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)
Disconnect the fuel tank unit 4P connector
Clear the DTCs with the HDS
Turn the ignition switch to ON (II)
Wait for 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 terminal connector No 6 and body ground

Fig 1: Identifying Continuity Between Gauge Control Module 32P Terminal Connector No 6 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

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

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