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post #1 of 4 (permalink) Old 08-30-2019, 12:12 PM Thread Starter
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DTC Codes from key

So, 2008 Jeep Commander Limited here. It has a key fob and not a regular metal key, but it does insert and turn, similar to a normal key.


I've looked up instructions and video walkthroughs for getting the DTC codes from a Jeep Commander. It seems fairly simple: On, off, on, off, on--then leave the key in the on position. I've seen multiple videos where this works, and the DTC code shows on the dashboard LED readout. But mine isn't working. Is there something different all because my Jeep uses a fob? I've tried four turns instead of three, five turns, six, I've tried varying the amount of time before I turned back to the off position, I'm flummoxed as to what I could be doing wrong, or not doing. What's the deal? Are fobs just immune to this somehow?
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post #2 of 4 (permalink) Old 08-30-2019, 12:33 PM
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Originally Posted by HyperionAlpha View Post
So, 2008 Jeep Commander Limited here. It has a key fob and not a regular metal key, but it does insert and turn, similar to a normal key.


I've looked up instructions and video walkthroughs for getting the DTC codes from a Jeep Commander. It seems fairly simple: On, off, on, off, on--then leave the key in the on position. I've seen multiple videos where this works, and the DTC code shows on the dashboard LED readout. But mine isn't working. Is there something different all because my Jeep uses a fob? I've tried four turns instead of three, five turns, six, I've tried varying the amount of time before I turned back to the off position, I'm flummoxed as to what I could be doing wrong, or not doing. What's the deal? Are fobs just immune to this somehow?
Just a thought, but, could it possibly be that you don't have any stored DTC's to display?


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post #3 of 4 (permalink) Old 08-30-2019, 09:31 PM Thread Starter
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Quote:
Originally Posted by Big Blue View Post
Just a thought, but, could it possibly be that you don't have any stored DTC's to display?
Possible I guess, but the dashboard is throwing the emergency brake, ABS, Tow, and ESP BAS lights on all at once, I guess I assumed there would be a code associated with what's going on there.
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post #4 of 4 (permalink) Old 08-30-2019, 09:36 PM
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Originally Posted by HyperionAlpha View Post
Possible I guess, but the dashboard is throwing the emergency brake, ABS, Tow, and ESP BAS lights on all at once, I guess I assumed there would be a code associated with what's going on there.
Yeah, I'd imagine so. I never actually tried the key dance myself, I've only read about it.

That being said, you might consider picking up an OBD-II Scanner; there are a few on the market that are fairly cheap, here's one for $30.00

https://www.harborfreight.com/obd-ii...hoCvusQAvD_BwE

Makes sense to have one if you plan on keeping your XK for a while.


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Last edited by Big Blue; 08-30-2019 at 09:40 PM.
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