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Chrysler Repair/transmission: 0605 code

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Expert: - 7/17/2011


Question
my problem is that i did the oil change on my 2003 jeep liberty limited edition and after i did the oil change i took it to the store and for some reason it wasn't shifting gears than i went to autozone and they give me a code # P0605 Internal Control Module Read Only Memory (ROM) Error
and i really don't know what it is ! i was just wondering if  you can give me an advise

Answer
Hi Jenny,
That code is pointing to an issue with the computer that controls the transmission. The only possible easy fix is if the plug on the computer were jarred loose, or the plugs on the transmission itself were jarred loose. So take a look at those plugs and the wire harnesses connected to them to look for irregularities. If none, then the code points to a failed transmission computer. Because of the onset immediately after servicing it ia possible that there is something wrong with the plugs/wire harnesses so look carefully.
Roland

Chrysler Repair

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Roland Finston

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I specialize in Chrysler/Dodge/Plymouth cars, minivans, and SUV's for the model years 1982-2008 based upon my 50-year DIY experience, factory shop manuals and wiring diagrams. I offer fast repair advice to help you minimize repair costs by helping you diagnose and do it yourself. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty.

I take questions one at a time between 8am and 10pm CT and attempt to answer within 20 minutes. "Maxed Out" means I am answering another question of otherwise busy, so try again later.

There are answers on file to more than sixteen thousand Chrysler questions at your finger tips: put a few key words in the "find" box (above) or click on "view past answers" for a chronological list of my q and a's. Don't use "Add to this answer" if you still have a question...ask it. As to trucks and jeeps I only have manuals for the '04-'06 model years.

Experience

Five decades as a 'do-it-yourselfer' on domestic and imported cars

Organizations
Yahoo Autos Group called The Chrysler Lebaron Club (co-moderator)

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Degrees in Physics/bruised knuckles.

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"Top expert of 2010" and "2011" at Allexperts. Among top 50 experts for years 2006-2009 at Allexperts.

Quickest "average response time" at Allexperts (currently no. 1).

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