P0461 – OBD-II DTC

OBD-II DTC P0461 – Fuel Level Sensor Circuit Malfunction

DTC P0461 meaning

DTC P0461 refers to a malfunction in the fuel level sensor circuit. This diagnostic trouble code indicates that the Engine Control Module (ECM) has detected an issue with the signal from the fuel level sensor, which is responsible for measuring the amount of fuel in the tank. The ECM uses this information to provide accurate fuel level readings to the driver and to manage fuel consumption effectively.

DTC P0461 symptoms

Common symptoms associated with DTC P0461 may include:

• Inaccurate fuel gauge readings
• Fuel gauge stuck on empty or full
• Check Engine Light illuminated
• Erratic fuel level readings
• Possible engine performance issues due to incorrect fuel level information

DTC P0461 causes

Several factors can lead to the occurrence of DTC P0461, including:

• Faulty fuel level sensor
• Wiring issues, such as damaged or corroded connectors
• Short circuits in the fuel level sensor circuit
• Open circuits in the fuel level sensor circuit
• Faulty Engine Control Module (ECM)

DTC P0461 seriousness

DTC P0461 can be considered a moderate issue. While it may not cause immediate engine failure, it can lead to inaccurate fuel level readings, which may result in running out of fuel unexpectedly. Additionally, it can affect the vehicle’s fuel management system, potentially leading to decreased fuel efficiency and performance issues.

How to diagnose DTC P0461

To diagnose DTC P0461, follow these steps:

• Use an OBD-II scanner to confirm the presence of the P0461 code.
• Inspect the fuel level sensor and its wiring for any visible damage or corrosion.
• Check the fuel level sensor’s resistance using a multimeter to ensure it is within specifications.
• Test the voltage and ground at the fuel level sensor connector.
• Examine the ECM for any additional trouble codes that may provide further insight.

How to fix DTC P0461 step-by-step instructions

To fix DTC P0461, follow these step-by-step instructions:

1. Start by confirming the DTC using an OBD-II scanner.
2. Inspect the fuel level sensor and wiring for any signs of damage or corrosion.
3. If the sensor is faulty, replace it with a new one.
4. Repair any damaged wiring or connectors found during the inspection.
5. Clear the DTC using the OBD-II scanner.
6. Test drive the vehicle to ensure the issue is resolved and the check engine light does not reappear.

How to erase DTC P0461

To erase DTC P0461, follow these steps:

• Connect an OBD-II scanner to the vehicle’s diagnostic port.
• Turn on the ignition without starting the engine.
• Navigate to the “Erase Codes” or “Clear Codes” option on the scanner.
• Confirm the action to clear the trouble codes.
• Disconnect the scanner and start the vehicle to verify that the check engine light is off.

Recommended tools for OBD-II diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.