2001 Hyundai Santa Fe At wits end help please

ROBERTCRABTREE

MEMBER
2001 HYUNDAI SANTA FE
2.7L
6 CYL
FWD
AUTOMATIC
158,000 MILES

My car is staying in 2 and third gear won't shift out of those in manual mode or auto matic I've changed both input and out put speed sensors and still does it the codes its showing me is p1529 p0720 p0715 p1400 help please and thank you!

Sunday, November 15th, 2015 AT 10:26 AM

7 Replies

HMAC300

MECHANIC
48,601 POSTS

Trans is in limp mode due to a problem internally of trans. See pic for problems you can check a couple of these like a connector but more than likely a clutch pak or internal problem.

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Sunday, November 15th, 2015 AT 11:43 AM

ROBERTCRABTREE

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4 POSTS

I don't see an attachment but its an automatic trans but can b switched over to a manual one of my speed sensors was broke gunna change that and let you know if it helped any

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Monday, November 16th, 2015 AT 1:35 AM

HMAC300

MECHANIC
48,601 POSTS

The inner speed sensor if not reading could cause this. Sorry abou the pic I forgot to post it but will now. This is definitely a trans problem or electrical. It may be the can bus is messed up which a pro will have to look at with his scanner to see. But the tcm has set the 1529 code so it gets straightened out then it may be able to be erased and fixed.

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Monday, November 16th, 2015 AT 7:00 AM

ROBERTCRABTREE

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4 POSTS

Thanks will look into crank sensor changed tps iac valve plogs wires and coil pack s and the intake gaskets and throttle body cleaned with the last 2weeks

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Monday, November 16th, 2015 AT 8:18 AM

HMAC300

MECHANIC
48,601 POSTS

If the engine runs good then no need to change crank sensor this is a trans problem not an engine problem. Disregard the second pic where it says crank sensor that was for another car I goofed again just the first pic.