4wd engaging in 2wd !!??

Postby **smj999smj** » Fri Mar 13, 2020 3:31 am

Sounds like the right test. what year R51 do u hav?

nismopath · Postby **nismopath** » Fri Mar 13, 2020 5:29 am

2006.

I tried doing this sequence when the 4wd drive light was already on, and I got no codes. Should I do it when the 4wd light is off and the system is acting normal, or does it not matter?

Postby **smj999smj** » Fri Mar 13, 2020 7:41 am

Here's the link to the Transfer Case section of the 2006 FSM:

https://www.nicoclub.com/service-manual ... 006/tf.pdf

You have the TX15B (Auto) transfer case.

Symptom chart on TF-211.
Self-diagnostics start on TF-219.

Self-diagnostics should produce a code if the warning light is "on." Refer to FSM for further info.

nismopath · Postby **nismopath** » Sat Mar 14, 2020 7:44 am

ok thanks, I will try it tonight.

let me ask this though, if this issue is going on with the 4wd light being on, does that mean the 4wd could actually be engaging? Or is it just acknowledging an issue? I don't want to drive around with 4wd engaged the whole time if so.

Postby **smj999smj** » Mon Mar 16, 2020 2:09 am

Usually it won't engage if it's on.

4wd engaging in 2wd !!??

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