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P0463 - Fuel Level Sensor Circuit High Input

Possible causes
- Faulty fuel level sensor
- Fuel level sensor harness is open or shorted
- Fuel level sensor circuit poor electrical connection
What does this mean? What does this mean?
When is the code detected?
An excessively high voltage is sent from the sensor is sent to Engine Control Module (ECM).
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Incorrect fuel level reading
P0463 Description

The fuel level sensor is mounted in the fuel level sensor unit. The sensor detects a fuel level in the fuel tank and transmits a signal to the Engine Control Module (ECM). The fuel level sensor consists of two parts, one is mechanical float and the other side is variable resistor. The fuel level sensor output voltage changes depending on the movement of the fuel mechanical float.

P0463 Information for specific makes
P0463 ACURA Fuel Level Sensor Circuit High Voltage
P0463 BMW Fuel Level Sensor 'A' Circuit High
P0463 BUICK Fuel Level Sensor Circuit High Input
P0463 CADILLAC Fuel Level Sensor Circuit High Input
P0463 CHEVROLET Fuel Level Sensor Circuit High Input
P0463 CHRYSLER Fuel Level Sensor 1 Circuit High
P0463 DODGE Fuel Level Sensor 1 Circuit High
P0463 FORD Fuel Level Sensor A Circuit High
P0463 GMC Fuel Level Sensor Circuit High Input
P0463 HONDA Fuel Level Sensor Circuit High Voltage
P0463 HYUNDAI Fuel Level Sensor 'A' Circuit High Input
P0463 INFINITI Fuel Level Sensor Circuit High Input
P0463 ISUZU Fuel Level Sensor Circuit High Voltage
P0463 JEEP Fuel Level Sensor 1 Circuit High
P0463 KIA Fuel Level Sensor 'A' Circuit High Input
P0463 MAZDA Fuel Gauge Sender Unit Circuit High Input
P0463 MERCEDES-BENZ Fuel Level Sensor Circuit High Input
P0463 MITSUBISHI Fuel Level Sensor Circuit High Input
P0463 NISSAN Fuel Level Sensor Circuit High Input
P0463 PONTIAC Fuel Level Sensor Circuit High Input
P0463 SATURN Fuel Level Sensor Circuit High Input
P0463 SUBARU Fuel Level Sensor Circuit High Input
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