Back to 1998 Lexus SC 300

1998 LEXUS SC 300

3.0L I6RWDAUTOMATICgas
Repairs0Labor504Torque6016Fluid7DTC661Battery0Maintenance0Recalls0
P0463low severityPowertrain

Fuel Level Sensor Circuit High Input

on 1998 Lexus SC 300 3.0L I6 · RWD

What this code means

High voltage from fuel level sensor.

Symptoms

  • Gauge reads full constantly
  • DTE always showing full range

Common causes

  • Open circuit
  • Disconnected sender
  • Corroded connector

Diagnostic steps

  1. Test circuit voltage
  2. Check connector
  3. Test sensor resistance

Repair notes

Repair connection or replace sender.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →