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Discussion Starter #1 (Edited)
Found this video in Youtube to show how to get the Diagnostic Trouble Codes DTC (if any) without the need to get DTC reader.

I knew about this was working on older Jeeps but didn't know it is also working in the new Commander as well.

I tried it and got this code (U0121), googled it and found it (Lost Communication With Anti-Lock Brake System (ABS) Control Module), and that was due to the switch I made to disable the ABS fuse manually to turn off the Traction Control when offroading.


Update 15-Oct-08 : Working video..


http://www.youtube.com/watch?v=0KLX9qi0llI
 

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Great find, Ahmed ! I just went out and tried it and it works !
 

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Discussion Starter #3
Good, any codes? or just got (Done) without codes.
 

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Ahmed said:
Good, any codes? or just got (Done) without codes.
"Done" -- no codes.
 

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Discussion Starter #7
Ranger6882 said:
Ok, I turned off and on about 6 times just getting outside temp reading, What am I doing wrong? Not holding my mouth right?
Only three times, and on the 3rd time you keep it in ON ,, I think you need to be a bit fast as in the video
 

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DTC...done
 

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Ranger6882 said:
Ok, I turned off and on about 6 times just getting outside temp reading, What am I doing wrong? Not holding my mouth right?
I get the same thing, I'm not sure what I'm doing wrong.
I do it fast like in the video, also tried it a not so fast.
 

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That is a cool find! This should be merged with threads where we discovered the tilt of the back seats, the extending visor.......
 

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cico7 said:
That is a cool find! This should be merged with threads where we discovered the tilt of the back seats, the extending visor.......

was not aware of the tilt of the back seats, you are referring to the 3rd row?
 

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Ranger6882 said:
was not aware of the tilt of the back seats, you are referring to the 3rd row?
Second row.
 

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Discussion Starter #15
XJaiger said:
I get the same thing, I'm not sure what I'm doing wrong.
I do it fast like in the video, also tried it a not so fast.
I just did exactly like in the video and it worked.... just try again, you will make it.
 

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took a couple tries, but it worked!

DTC -- done.
 

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Tried it today and it worked. Nice fine Ahmed. Thanks!!!
 

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All (well most) Chrysler vehicles have done this since the 1987 horizon the wife had when we were dating! I didn't even think to try it on my JEEP though! DUH!
 

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DTC...DONE

Awesome! Now I can refer the code to the Service Manual to figure ANYTHING out. If anyone can't find the code translation online, get with me and I will send you what the book says, and even scan the fix for ya.
 
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