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Old 08-21-2013, 05:27 AM
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09 WK Limp Mode?

My Jeep is exhibiting the same symptoms as many I have been reading about. It seems that the fix is to attempt to clean the ESM with contact cleaner or to replace the entire module itself. The only part I can find is part #68004143AF, but this part is only good up to 07 models. Does anybody know if cleaning works for an 09? Or a part number for an 09? Thank you!
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Old 09-17-2013, 05:05 AM
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Re: 09 WK Limp Mode?

I have a 2000 grand cherokee 4.7 4wd stuck in limp mode did sum research and everything was doining towards the shift solenoid pack.so i replaced that and still Serna sluggish upon start up.onceengine warms up to 210 runs Fine but dont Think its shifting.overdrive is not working either light will come on but nothing.if I do the key dance i get error codes 1491 1492 0700 Please help lol
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Old 09-17-2013, 12:15 PM
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Re: 09 WK Limp Mode?

Quote:
Originally Posted by kyworkingman80 View Post
I have a 2000 grand cherokee 4.7 4wd stuck in limp mode did sum research and everything was doining towards the shift solenoid pack.so i replaced that and still Serna sluggish upon start up.onceengine warms up to 210 runs Fine but dont Think its shifting.overdrive is not working either light will come on but nothing.if I do the key dance i get error codes 1491 1492 0700 Please help lol
The P0700 is just the generic code for the TCM detecting a malfunction. You'll have to pull that code with a better scanner (that can read transmission DTCs).

The 1491 and 1492 likely have very little to do with your symptoms. The 1491 is a fault in the fan relay and the 1492 has to do with a temperature sensor on the battery (I think...).

You'll likely get a better response posting in the correct forum, this is for 2005-2010 grand Cherokees (WKs). I don't think newer models even have those 1490 DTCs, so we will never have encountered them.
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Old 09-17-2013, 02:31 PM
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Re: 09 WK Limp Mode?

Forgot to mention went to auto done first and got codes 0760 0755 0770 1781 14920750 0765 1491
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