1998 Dodge Caravan Not shifting when warm?

Tiny
ZAW1122
  • MEMBER
  • 1998 DODGE CARAVAN
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 135,000 MILES
I need a little help before calling the repair man.
While driving the other day my van jerked a little, like it quickly down shifted. It now will not shift to higher gear after getting warm. I can start the van up and drive and the shifting is fine, until the engine temperature warms up. That is when I have to drive home again at 30 mph. My check engine light is also on. ATF level seems fine as does the color without any bad odor. I would appreciate any help, and offer any more information if it is needed.
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Monday, December 8th, 2008 AT 9:18 AM

3 Replies

Tiny
BUDDYCRAIGG
  • EXPERT
I believe your van is sensing a problem and switching into "limp home" mode.
With the check engine light coming on, the computer is storing the trouble code.
Retrieving that code may point you in the right direction.
This post should help
http://www.2carpros.com/dia/how_to_scan_trouble_codes.htm
Some auto part stores will scan your car for free in hopes of selling you a part

good luck
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Monday, December 8th, 2008 AT 3:44 PM
Tiny
ZAW1122
  • MEMBER
Thank you! I drove down to autozone today and got my codes. (Van drove great on the way there, but halfway back started having problems again)

my codes are

P0733 Gear 3 Incorrect ratio
P0760 Shift Solenoid C Malfunction
P1698 No Bus Message From TCM
P0700 Transmission Control System Malfunction

also: the vans instrument panel also has a mind of its own and sometimes it comes on and sometimes it doesn't.
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Monday, December 8th, 2008 AT 4:48 PM
Tiny
BUDDYCRAIGG
  • EXPERT
You are going to want to go to a dodge dealer to have them check it out.
The P0760 and P0700 both suggest to me a solenoid shift pack problem.

I'm sorry to say that is not going to be a cheap fix.

You might want to replace the tranny fluid in a last ditch effort. It's not difficult or expensive. And if you cant remember the last time it was changed, then you need to do it anyway.

I'm sorry I don't have better news.
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Monday, December 8th, 2008 AT 5:26 PM

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