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Fixing "service 4wd system" error on WK grand cherokee
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- เผยแพร่เมื่อ 4 ธ.ค. 2023
- After some deep water fun out at rattlesnake gulch, my WK started having "service 4wd system" messages show up. My suspicion was that the electrical confection for the acutator for NP245 t-case got wet during my river-fording fun...
The Jeep is a 2007 Grand Cherokee WK limited. It has a 2" lift, provided by bilstein 5100 struts on the front, and spacers on the rear. It has the quadra-drive II full-time 4wd system, and 31" (245/75/17) Falken Wildpeak AT3/W tires.
Details regarding the service 4wd system reset procedure I referenced in this video: www.jeepforum.com/threads/n23...
About to buy one from a coworker, also has transmission sensor issues, multiple cylinder misfire, and many cosmetic problems, but it’ll be a good little off road toy for me
Sounds like you got your work cut out for ya, should be fun once you get all that sorted out!
Just curious, what kind of deal did you get on yours?
@@mitchellmarquardt4244 he’s taking 500, it should really be going to the crusher based on the condition so that’s why it’s so cheap
Great video, thanks 👍
Thanks, hope it was useful info!
Thanks I'm guessing my 2006 has same issue. Service 4WD System comes on in wet slushy snow. Stays on till it dries out.
Cool, yeah hopefully it will be a simple fix!
Do you think A faulty car battery can cause this to?
Hmm, not sure. There is a lot of "computer stuff" on the wk grand Cherokees, and if it gets low or incorrect voltage I guess it might be possible? From my understanding, the "service 4wd system" error is often caused by an improper voltage signal from the 4wd actuator. In my case, I think it happened when I drove through a little too deep of a river, and water got into the connector. However, there is also the "N23 recall", that is/was related to bad traces in the circuit board. Here's a link to the Jeep forum post where I found out more about the whole thing: www.jeepforum.com/threads/the-n23-recall-�service-4wd-system�-error-explained.3100337/