( TF09EABK72100090462FAAT00 )
DTC Troubleshooting: P0462
DTC P0462:
 Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Low Voltage
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS, and wait 5 seconds.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0462 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.■
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the fuel tank unit 4P connector.
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS, and wait 5 seconds.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0463 indicated?
YES -
NO -
Go to Step 11 .
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the gauge control module 32P connector.
  1. Check for continuity between fuel tank unit 4P connector terminal No. 1 and body ground.
Is there continuity?
YES -
Repair short in the wire between the gauge control module (signal line) and the fuel gauge sending unit, then go to Step 23 .
NO -
Go to Step 15 .
  1. Reconnect the gauge control module 32P connector.
  1. Connect the fuel tank unit 4P connector.
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Set the float (A) to the E position (B).
  1. Check the fuel gauge.
Does the gauge move to the empty position?
YES -
Go to Step 29 .
NO -
  1. Turn the ignition switch to LOCK (0).
  1. Reconnect all connectors.
  1. Install the parts in the reverse order of removal.
  1. Turn the ignition switch to ON (II).
  1. Reset the ECM/PCM with the HDS.
  1. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES -
If DTC P0462 is indicated, check for poor connections or loose terminals at the gauge control module and the fuel gauge sending unit, then go to Step 1 . If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO -
Troubleshooting is complete.■
  1. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES -
If DTC P0462 is indicated, check for poor connections or loose terminals at the gauge control module and the fuel gauge sending unit, then go to Step 1 . If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO -
If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM. ■