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Troubleshooting by Autozone P0700, Automatic transmission fault
probable cause.

(1998 Honda Odyssey)
in Cypress, TX on May 18, 2013
Check other codes

P0740 TCC does not engaged
open or short circuit condition,
Poor electrical connection
failed TTC System,

P0706 open in transmission range switch circuit
Probable cause
Open or short circuit condition
Poor electrical connection
Faulty transmision range switch
Displaying 2 answers & 0 comments
Popular Answer
on May 18, 2013
Start by changing the trans fluid (NOT with aftermarket fluid) , then have TCM codes cleared and see what comes back the soonest. If P0740 comes back first , plan on needing a trans. If any of the others , recommend having it serviced/diagnosed at a dealer or reputable trans shop.
on May 21, 2013
sadly , this is a common problem w/ honda vans-there is a screen/filter at the top internally that clogs. more sadly honda nor anyone else has come up permanent fix for this problem. so before you go the rebuild route or new route , understand that this trans life expectancy is about 70k-100k miles
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