USA Model
DTC Troubleshooting: P0463
DTC P0463:
Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit High Voltage
USA model
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information How To Troubleshoot The Fuel And Emissions Systems (Except FFV Model).
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS, and wait 5 seconds.
3. Check for Pending or Confirmed DTCs with the HDS.
Is DTC P0463 indicated?
YES -
Go to step 4.
NO -
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the gauge control module and the fuel gauge sending unit.
4. Turn the ignition switch to LOCK (0).
5. Remove the second row seat Second Row Seat Removal/Installation.
6. Pull the carpet back out of the way, then remove the access panel from the floor.
7. Disconnect the fuel tank unit 5P connector.
8. Turn the ignition switch to ON (II).
9. Clear the DTC with the HDS, and wait 5 seconds.
10. Check for Pending or Confirmed DTCs with the HDS.
Is DTC P0462 indicated?
YES -
Go to step 14.
NO -
Go to step 11.
11. Turn the ignition switch to LOCK (0).
12. Remove the gauge control module Service and Repair.
13. Check for continuity between fuel tank unit 5P connector terminal No. 1 and No. 3.
Is there continuity?
YES -
Repair a short in the wires between the SIGNAL line and the FUEL 5V line, then go to step 19.
NO -
Replace the gauge control module Service and Repair, then go to step 19.
14. Measure the voltage between fuel tank unit 5P connector terminal No. 2 and No. 3.
Is there about 5 V?
YES -
Replace the fuel gauge sending unit Testing and Inspection, then go to step 18.
NO -
Go to step 15.
15. Turn the ignition switch to LOCK (0).
16. Remove the gauge control module Service and Repair.
17. Check for continuity between gauge control module 32P connector terminal No. 28 and fuel tank unit 5P connector terminal No. 2.
Is there continuity?
YES -
Replace the gauge control module Service and Repair, then go to step 19.
NO -
Repair an open in the wire between the gauge control module and the fuel gauge sending unit, then go to step 19.
18. Turn the ignition switch to LOCK (0).
19. Reinstall all removed parts in the reverse order of removal.
20. Reconnect all connectors.
21. Turn the ignition switch to ON (II).
22. Reset the PCM with the HDS.
23. Do the PCM idle learn procedure PCM Idle Learn Procedure.
24. Check for Pending or Confirmed DTCs with the HDS.
Is DTC P0463 indicated?
YES -
Check for poor connections or loose terminals at the fuel gauge sending unit and the gauge control module, then go to step 1.
NO -
Troubleshooting is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.