P2406 Dodge Code - Evaporative Emission System Leak Detection Pump Sense Circuit High
Quick Answer
The P2406 diagnostic trouble code for Dodge vehicles indicates a problem with the Evaporative Emission System Leak Detection Pump Sense Circuit being too high. Common causes include Faulty Leak Detection Pump: The most common cause of this code is a malfunctioning leak detection pump that is not functioning as it should, Wiring Issues: Problems with the wiring or connectors in the circuit can also trigger this code, Faulty Sensor: A defective sensor that is part of the leak detection pump circuit can cause the high voltage reading. 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
- P2406 Dodge indicates Evaporative Emission System Leak Detection Pump Sense Circuit High.
- Common causes
- Common causes include Faulty Leak Detection Pump: The most common cause of this code is a malfunctioning leak detection pump that is not functioning as it should, Wiring Issues: Problems with the wiring or connectors in the circuit can also trigger this code, Faulty Sensor: A defective sensor that is part of the leak detection pump circuit can cause the high voltage reading.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P2406 Dodge Description
The P2406 diagnostic trouble code for Dodge vehicles indicates a problem with the Evaporative Emission System Leak Detection Pump Sense Circuit being too high. The evaporative emission system is responsible for capturing and storing fuel vapors to prevent them from being released into the atmosphere. The leak detection pump is a key component of this system, as it monitors for any leaks that may occur.
Common Causes of P2406 Dodge
- Faulty Leak Detection Pump: The most common cause of this code is a malfunctioning leak detection pump that is not functioning as it should.
- Wiring Issues: Problems with the wiring or connectors in the circuit can also trigger this code.
- Faulty Sensor: A defective sensor that is part of the leak detection pump circuit can cause the high voltage reading.
- Evaporative Emission System Leak: If there is an actual leak in the evaporative emission system, it can trigger this code as well.
Symptoms of P2406 Dodge
- Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the vehicle's dashboard.
- Decreased Fuel Efficiency: A malfunctioning evaporative emission system can lead to increased fuel consumption as the system may not be functioning optimally.
- Smell of Fuel Vapors: If there is a leak in the evaporative emission system, you may detect the smell of fuel vapors around the vehicle.
- Failed Emissions Test: A faulty evaporative emission system can cause the vehicle to fail an emissions test, as it may not be effectively capturing fuel vapors.
How to Fix P2406 Dodge
- Diagnostic Testing: The first step in resolving this issue is to perform diagnostic testing to identify the exact cause of the high voltage reading.
- Check Wiring and Connectors: Inspect the wiring and connectors in the circuit to ensure there are no loose connections or damaged wires.
- Test the Leak Detection Pump: Test the functionality of the leak detection pump to determine if it is operating correctly.
- Replace Faulty Components: If a faulty sensor or pump is identified as the cause, replace the component with a new one.
- Clear Codes: After completing the repairs, clear the diagnostic trouble codes from the vehicle's computer to reset the system.
Cost to Fix P2406 Dodge
The cost of repairing a P2406 code on a Dodge vehicle can vary depending on the specific cause of the issue and the labor rates at the repair shop. In general, the cost of parts for this repair may range from $100 to $300, with labor costs adding an additional $100 to $200. However, these are rough estimates, and actual costs may vary based on location, vehicle make and model, and the extent of the repairs needed. It is recommended to contact local repair shops for a more accurate cost estimate. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops may offer more competitive pricing.
Need more information about the P2406 Dodge code?
Need more information on how to fix the P2406 Dodge code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2406 Dodge code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P2406 Dodge Code
1. What are the common symptoms of OBDII code P2406 in a Dodge vehicle?
- Common symptoms include the illumination of the Check Engine Light on the dashboard, potential fuel economy issues, and difficulty starting the engine.
2. What is the main cause of OBDII code P2406 (Evaporative Emission System Leak Detection Pump Sense Circuit High) in Dodge vehicles?
- The main cause is usually a malfunction in the Evaporative Emission System Leak Detection Pump Sense Circuit, leading to a high voltage reading.
3. Can a loose gas cap trigger OBDII code P2406 in a Dodge vehicle?
- While a loose gas cap can sometimes cause a related code, P2406 specifically points to issues with the Evaporative Emission System Leak Detection Pump Sense Circuit.
4. How can I diagnose the root cause of OBDII code P2406 in my Dodge vehicle?
- Proper diagnosis typically involves using an OBDII scanner to retrieve the trouble code, inspecting the Evaporative Emission System components for any visible damage, and testing the circuit for electrical issues.
5. Is it safe to continue driving with OBDII code P2406 present in my Dodge vehicle?
- It is generally not recommended to continue driving with this code active, as it can negatively impact the vehicle's performance and emissions output.
6. Can I repair OBDII code P2406 in my Dodge vehicle on my own?
- Depending on your skill level, you may be able to address this issue on your own by checking the system for leaks, ensuring proper connections, and replacing any faulty components.
7. How much does it typically cost to repair OBDII code P2406 in a Dodge vehicle?
- The cost of repair can vary based on the exact cause of the code, but it may range from $100 to $300 for parts and labor at a dealership or mechanic.
8. Are there any DIY tips for addressing OBDII code P2406 in a Dodge vehicle?
- DIY tips include inspecting the gas cap for proper sealing, checking the hoses and connections in the Evaporative Emission System, and resetting the code to see if it returns.
9. Will OBDII code P2406 cause my Dodge vehicle to fail an emissions test?
- Yes, having this code active may cause your vehicle to fail an emissions test, as it indicates a problem with the Evaporative Emission System, which is critical for emission control.
10. How long does it take to repair OBDII code P2406 in a Dodge vehicle?
- The repair time can vary depending on the exact cause of the code and the availability of parts, but it typically takes a few hours to a full day to diagnose and fix the issue.
Discuss the causes and fixes for P2406 Dodge OBDII Code
Code P2406 Dodge comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.