What Does Service DEF System See Dealer Mean?
If you own a modern diesel vehicle, you may have come across the message “Service DEF System See Dealer” on your dashboard. This message can be confusing and alarming, especially if you are unsure about what it means or how to address it. In this article, we will discuss what the service DEF system message signifies and answer some common questions related to it.
The service DEF system message refers to an issue with the Diesel Exhaust Fluid (DEF) system in your vehicle. DEF is a fluid that helps reduce harmful emissions from diesel engines by converting nitrogen oxides (NOx) into harmless nitrogen and water vapor. When the DEF system encounters a problem, such as low fluid levels or malfunctioning components, it triggers the service DEF system message to alert the driver.
Here are 12 common questions and answers related to the service DEF system message:
1. What should I do when I see the service DEF system message?
When you see this message, it is crucial to schedule an appointment with your authorized dealer as soon as possible. They will diagnose the issue and provide the necessary repairs or maintenance.
2. Can I continue driving with the service DEF system message?
It is generally safe to continue driving for a short distance after the message appears. However, prolonged driving without addressing the issue can lead to reduced engine performance and ultimately cause damage to the vehicle.
3. What are some common causes for the service DEF system message?
Common causes include low DEF fluid levels, faulty DEF injectors, malfunctioning DEF sensors, or a contaminated DEF tank.
4. Can I add DEF fluid myself to resolve the issue?
While you can add DEF fluid yourself, it is recommended to have the system diagnosed and repaired by a qualified technician. Adding fluid may not resolve the underlying problem.
5. How often should I refill the DEF fluid?
The frequency of refilling DEF fluid depends on your vehicle’s usage and size of the DEF tank. Generally, it is advised to refill DEF fluid during regular maintenance intervals or when the low DEF warning light comes on.
6. What happens if I ignore the service DEF system message?
Ignoring the message can lead to reduced engine performance, increased emissions, and potential damage to the vehicle’s exhaust system. It is best to address the issue promptly.
7. Will the service DEF system message cause my vehicle to enter a limp mode?
In some cases, when a severe DEF system issue is detected, the vehicle may go into a reduced power or limp mode to protect the engine. This mode restricts performance to prevent further damage.
8. How much does it cost to repair the DEF system?
The cost of repairs varies depending on the specific issue and your vehicle’s make and model. It is best to consult with your authorized dealer for an accurate estimate.
9. Can I reset the service DEF system message myself?
Resetting the message may not resolve the underlying issue. It is recommended to have the system diagnosed and repaired by a qualified technician before resetting the message.
10. Can I use aftermarket DEF fluid?
It is generally advisable to use DEF fluid that meets the specifications recommended by your vehicle manufacturer. Using aftermarket DEF fluid may impact the performance and reliability of the system.
11. Is the service DEF system message covered under warranty?
Depending on your vehicle’s warranty coverage, the repairs for the DEF system may be covered. It is important to consult your warranty documentation or contact your authorized dealer for clarification.
12. Can I prevent DEF system issues?
Regular maintenance, including refilling DEF fluid as recommended, can help prevent some issues. However, occasional problems may still occur due to various factors. Proper care and prompt attention to warning messages can help minimize the impact of DEF system issues.
In summary, the service DEF system message indicates a problem with the Diesel Exhaust Fluid system in your diesel vehicle. It is important to address the issue promptly by scheduling an appointment with your authorized dealer. By understanding the causes and seeking timely repairs, you can ensure the optimal performance of your vehicle’s DEF system and help reduce harmful emissions.