Where is the DEF sensor located?
A DEF quality sensor is mounted on the side of the DEF tank. This sensor detects the Urea concentration in the DEF to confirm it is acceptable for effective dosing (approximately 32.5% Urea).
What is a DEF sensor?
The DEF level sensor, which is part of the DEF sending unit, measures the level of fluid remaining in the DEF tank. When the liquid level is low, the DEF level sensor sends a signal to the vehicle’s ECU which then triggers the warning light on the gauges or panel.
Does Nissan Titan XD use DEF?
One additional update that’s specific to the Cummins diesel-powered 2019 Titan XD is that the Diesel Exhaust Fluid (DEF) tank is now larger. DEF is required by law to make sure the emissions from the truck are less toxic.
What is the code for service DEF system?
Knowing the code or codes that are set would be helpful. Yank DEF system out of truck. Usual Suspect and 69GWC like this. The next morning the message was gone. I took it to the dealer anyways and they stuck their code reader on it. They said it didn’t have any codes in the system and was possibly a glitch.
Is there a problem with the DEF system?
It shouldn’t matter how much or little DEF you added. There is most likely a problem with the DEF pump/level detection system in the tank. Did the check engine light come on and are you able to see what the error code is? A lot of the error codes dealing with the DEF, DPF, and SCR are usually only resettable via the dealer.
What does service DEF system see dealer mean?
I got a message that said Service Def System See Dealer. Can this message reset itself if it corrects itself or is it one of those things that is going to have to be reset regardless? Click to expand… There are several reasons that cause a DEF concern. Knowing the code or codes that are set would be helpful. Yank DEF system out of truck.
What causes DEF system to generate a code?
This can make the system think that it is empty. Most systems also have a def quality sensor so adding anything but good quality def will generate a code. Pretty sure all def systems are made by bosch, so this probably applies to all systems regardless of vehicle manufacturer.
What does service DEF system, see dealer mean?
For the next 2400 miles no issues then the CEL popped on with the message service DEF system see dealer immediately. They found a stored code for a bad Nox sensor so they ordered up one and two weeks later when it came in they installed it and no more issues since I’m at 5010 miles now.
Where can I reset the service Def code?
A lot of the error codes dealing with the DEF, DPF, and SCR are usually only resettable via the dealer. I don’t know if AlphaOBD would be able to reset the codes.
It shouldn’t matter how much or little DEF you added. There is most likely a problem with the DEF pump/level detection system in the tank. Did the check engine light come on and are you able to see what the error code is? A lot of the error codes dealing with the DEF, DPF, and SCR are usually only resettable via the dealer.
This can make the system think that it is empty. Most systems also have a def quality sensor so adding anything but good quality def will generate a code. Pretty sure all def systems are made by bosch, so this probably applies to all systems regardless of vehicle manufacturer.