P0462 Ford Code - Fuel Level Sensor Circuit Low Voltage
Quick Answer
Diesel Engine The primary fuel level sensor and the secondary fuel level sensor change resistance based on fuel level. Common causes include Faulty Fuel Level Sensor, Fuel Level Sensor harness is open or shorted, Fuel Level Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0462 Ford indicates Fuel Level Sensor Circuit Low Voltage.
- Common causes
- Common causes include Faulty Fuel Level Sensor, Fuel Level Sensor harness is open or shorted, Fuel Level Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0462 Ford Description
The primary fuel level sensor and the secondary fuel level sensor change resistance based on fuel level. The Fuel Pump Driver Control Module monitors the signal circuits of the primary fuel level sensor and the secondary fuel level sensor and sends the signal information to the Engine Control Module (ECM) for all further handling. The ECM uses this value in order to determine the fuel level. When the fuel tank is full, the resistances of both fuel level sensors are low, and the ECM senses a low signal voltage on both the signal circuits of the primary fuel level sensor and the secondary fuel level sensor. When the fuel tank is empty, the resistances of the fuel level sensors are high, and the ECM senses a high signal voltage. The ECM uses the signal circuits of the primary fuel level sensor and the secondary fuel level sensor in order to calculate the percentage of remaining fuel in the tank. The ECM sends the fuel level percentage via the serial data circuit to the instrument cluster in order to control the fuel gauge.
Gasoline Engine
The primary fuel level sensor and the secondary fuel level sensor change resistance based on fuel level. The Engine Control Module (ECM) monitors the signal circuits of the primary fuel level sensor and the secondary fuel level sensor in order to determine the fuel level. When the fuel tank is full, the resistances of both fuel level sensors are low, and the ECM senses a low signal voltage on both the signal circuits of the primary fuel level sensor and the secondary fuel level sensor. When the fuel tank is empty, the resistances of the fuel level sensors are high, and the ECM senses a high signal voltage. The ECM uses the signal circuits of the primary fuel level sensor and the secondary fuel level sensor in order to calculate the percentage of remaining fuel in the tank. The ECM sends the fuel level percentage via the serial data circuit to the instrument cluster in order to control the fuel gauge.
The Diagnostic Trouble Code (DTC) will be set if the ECM detects the signal voltage is less than 0.25 V.
What are the Possible Causes of the DTC P0462 Ford?
- Faulty Fuel Level Sensor
- Fuel Level Sensor harness is open or shorted
- Fuel Level Sensor circuit poor electrical connection
- Faulty Instrument Cluster
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0462 Ford?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0462 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0462 Ford code?
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Information for Specific Ford Models
- P0462 1997 Ford F150 — Fuel Level Sensor Circuit Low Input
- P0462 1998 Ford F150 — Fuel Level Sensor Circuit Low Input
- P0462 1999 Ford F150 — Fuel Level Sensor Circuit Low Input
- P0462 2000 Ford F150 — Fuel Level Sensor Circuit Low Input
- P0462 2001 Ford F150 — Fuel Level Sensor Circuit Low Input
- P0462 2002 Ford F150 — Fuel Level Sensor Circuit Low Input
- P0462 2003 Ford F150 — Fuel Level Sensor Circuit Low Input
- P0462 2006 Ford Fusion — Fuel Level Sensor 'A' Circuit Low
- P0462 2007 Ford Fusion — Fuel Level Sensor 'A' Circuit Low
- P0462 2009 Ford Fusion — Fuel Level Sensor 'A' Circuit Low
- P0462 2010 Ford Fusion — Fuel Level Sensor 'A' Circuit Low
- P0462 2011 Ford Fusion — Fuel Level Sensor 'A' Circuit Low
- P0462 2012 Ford Fusion — Fuel Level Sensor 'A' Circuit Low
Frequently Asked Questions about P0462 Ford Code
No Frequently Asked Questions about P0462 Ford Code found.
Discuss the causes and fixes for P0462 Ford OBDII Code
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I haven't replaced any parts yet. After engine light came I was getting codes 0460 and 0462 on my 2003 ford focus. And the car idle will hesitate when stopped at a light and on occasion accelerating at incline. Do need to replace the complete sending unit? Or only float level? Need help on part no. too
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The hesitation problem may not be related to the Fuel Sending Unit problem, but you should fix that problem first.
For the P0462 and P0460 code you have to replace the Fuel Sending Unit, as far as I know the float is not available by itself.
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