Where can we get these transmission software update? on 2005 Chrysler Town & Country

I have a '05 T&C at 144,000 miles. Sometimes when we get it up to 3500 RPM's it will not shift (just stutters). My check engine light is on but the code reader that we have does not show any codes. We've changed the transmission fluid and filter and there's no changes.

by in Apple Valley, CA on March 27, 2013
2 answers
ANSWER by on March 27, 2013
Better code readers or full flegged scanners can read Transmmision and Body codes. Its a matter of taking it to shop that has invested in the equipment to do the diagnosis you require.
ANSWER by on March 27, 2013
best to take all tranny issues to tranny specialty shop. general auto motive shops are not usually equipped for tranny testing or repair(neither are the dealerships for that matter).

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