AutoCodes – Land Rover – P2406 Land Rover

P2406 Land Rover Code - Evaporative Emission System Leak Detection Pump Sense Circuit High

Quick Answer

The Engine Control Module (ECM) checks power consumption on the Leak Detection Pump. Common causes include Faulty Leak Detection Pump, Leak Detection Pump harness is open or shorted, Leak Detection Pump 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: P2406 Land Rover indicates Evaporative Emission System Leak Detection Pump Sense Circuit High.
Common causes: Common causes include Faulty Leak Detection Pump, Leak Detection Pump harness is open or shorted, Leak Detection Pump 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.

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Code Popularity 9,772

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2406 Land Rover Description

The Engine Control Module (ECM) checks power consumption on the Leak Detection Pump. The Diagnostic Trouble Code (DTC) can be diagnosed when the leak diagnostic system is run. A diagnostic trouble code is stored if the current consumption of the pump in the Leak Detection Pump unit varies too much during the reference phase.

OBDII Code P2406 Land Rover - Evaporative Emission System Leak Detection Pump Sense Circuit High - AutoCodes.com — P2406 Land Rover Code - Evaporative Emission System Leak Detection Pump Sense Circuit High

What does this mean?

What are the Possible Causes of the DTC P2406 Land Rover?

Faulty Leak Detection Pump
Leak Detection Pump harness is open or shorted
Leak Detection Pump circuit poor electrical connection
Faulty Purge Valve
Clogged or damaged charcoal canister

How to Fix the DTC P2406 Land Rover?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2406 Land Rover 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 P2406 Land Rover code?

Need more information on how to fix the P2406 Land Rover code? Get Access to Factory Service Manuals

Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2406 Land Rover Code

1. What are the common symptoms of OBDII code P2406 in a Land Rover?

The common symptoms include the check engine light being illuminated, decreased fuel efficiency, and potential difficulty starting the vehicle.

2. What could cause the OBDII code P2406 to trigger in a Land Rover?

The code P2406 is typically triggered by a malfunction in the evaporative emission system leak detection pump sense circuit, often caused by a faulty leak detection pump or a wiring issue.

3. How serious is the OBDII code P2406 in a Land Rover?

While the vehicle may still be drivable with this code, it is important to address it promptly to prevent potential damage to the emission control system and maintain optimal vehicle performance.

4. Can I continue driving my Land Rover with the OBDII code P2406 present?

It is generally not recommended to drive the vehicle for an extended period with this code present, as it can lead to increased emissions and potential issues with passing emissions tests.

5. How can I diagnose the OBDII code P2406 in my Land Rover?

Diagnosing this code typically involves using an OBDII scanner to retrieve the specific fault code, followed by a thorough inspection of the evaporative emission system components and related wiring.

6. What are some repair tips for fixing the OBDII code P2406 in a Land Rover?

Repair tips may include checking and repairing any damaged wiring, replacing the leak detection pump if faulty, and ensuring all connections are secure and free of debris.

7. Can a DIY enthusiast fix the OBDII code P2406 issue in a Land Rover?

While some enthusiasts may have the skills to address this issue, it is recommended to consult a professional mechanic with experience in diagnosing and repairing evaporative emission system problems.

8. How much does it typically cost to repair the OBDII code P2406 in a Land Rover?

The cost of repair for this code can vary depending on the root cause of the issue and the labor rates in your area. It is best to obtain estimates from local repair shops for an accurate cost assessment.

9. Are there any preventive measures to avoid triggering the OBDII code P2406 in a Land Rover?

Regularly inspecting and maintaining the evaporative emission system components, such as the leak detection pump, can help prevent issues that may trigger this code.

10. How long does it usually take to repair the OBDII code P2406 in a Land Rover?

The repair time can vary based on the complexity of the issue and the availability of parts. In some cases, the repair can be completed within a few hours, while more extensive repairs may take longer.