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94 Caravan Transmission Failure
#1129197
12/07/11 01:33 AM
12/07/11 01:33 AM
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Joined: Jan 2003
Posts: 248
Oahu, Hawaii
ParadiseCuda
OP
enthusiast
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OP
enthusiast
Joined: Jan 2003
Posts: 248
Oahu, Hawaii
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I have a 94 grand caravan and the trans has decided to not shift anymore. It is the 4 speed automatic behind a 3.0L. It feels like it is starting out in second and stays there. No up shifts or down shifts. It recently had the passenger side half shaft replaced. Trans fluid level is good. Where do I start to diagnose this issue?
Last edited by ParadiseCuda; 12/07/11 01:34 AM.
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Re: 94 Caravan Transmission Failure
[Re: ParadiseCuda]
#1129200
12/07/11 11:25 AM
12/07/11 11:25 AM
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Joined: Jan 2003
Posts: 21,498
N.E. OHIO, USA
A12
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 21,498
N.E. OHIO, USA
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Quote:
I have a 94 grand caravan and the trans has decided to not shift anymore. It is the 4 speed automatic behind a 3.0L. It feels like it is starting out in second and stays there. No up shifts or down shifts. It recently had the passenger side half shaft replaced. Trans fluid level is good. Where do I start to diagnose this issue?
sounds like it is in the "limp" mode and may be a module or electronic issue. My '91 would do this and sometimes just disconnecting the battery would get it to (??) reset or something  Have it scanned like suggested. (btw it too felt like it was in 2nd gear and would stay there and never shift just like you described......the "limp mode"
MikeR
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Re: 94 Caravan Transmission Failure
[Re: bboogieart]
#1129202
12/07/11 02:12 PM
12/07/11 02:12 PM
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Joined: Jan 2003
Posts: 21,498
N.E. OHIO, USA
A12
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 21,498
N.E. OHIO, USA
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Quote:
Quote:
"limp mode"
This is what I was thinking. When our 2000 did this it was just the speed sensor. There is a high and low speed snsor that tells it to shift. Replaced both and no problems since. 4 years gone by now. 
Speed sensor sounds like this may be the cause.....and not that this would be an issue or a way of it going into the limp mode by the OP but I could get it to go into the limp mode by spinning the (front) wheels in slippery conditions like SNOW  when I first started the car and the trans hadn't shifted yet. If it stayed in 2nd gear/limp mode then I'd have to shut the engine off and reset it, not spin the wheels until it shifted on its own.
MikeR
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Re: 94 Caravan Transmission Failure
[Re: ParadiseCuda]
#1129205
12/11/11 01:14 AM
12/11/11 01:14 AM
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Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
1_WILD_RT
Management Trainee
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Management Trainee
Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
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Found this, text said it was 91, might be the same...
"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
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Re: 94 Caravan Transmission Failure
[Re: ParadiseCuda]
#1129209
12/11/11 06:54 PM
12/11/11 06:54 PM
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Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
1_WILD_RT
Management Trainee
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Management Trainee
Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
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When looking for a picture rather than text I change to the images tag on Google... It makes finding a useful picture much easier..  Glad I could help...
"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
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Re: 94 Caravan Transmission Failure
[Re: 1_WILD_RT]
#1129210
12/12/11 01:12 AM
12/12/11 01:12 AM
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Joined: Aug 2003
Posts: 4,384
Madison Wi
NTOLERANCE
master
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master
Joined: Aug 2003
Posts: 4,384
Madison Wi
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Also make certain your battery is good.
The 604 in my 96 sebring acted up alot and would go into limp mode on occasion. Even though the charging system was up to snuff, the battery would start he car...most of the time.
Changed the battery, shifting problems went away.
I used to care but....... things have changed
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Re: 94 Caravan Transmission Failure Follow-up
[Re: ParadiseCuda]
#1129213
12/18/11 02:54 AM
12/18/11 02:54 AM
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Joined: Jan 2005
Posts: 3,699
Newport, Mi
Evil Spirit
master
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master
Joined: Jan 2005
Posts: 3,699
Newport, Mi
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Get it to a TRANSMISSION shop and have them scan it, including a CVT (clutch volume test). They can shift fine but if the computer sees that it takes too much fluid to apply the clutches it assumes clutch wear and goes into limp in mode. Most regular scanners or code readers don't read this.
Free advice and worth every penny...
Factory trained Slinky rewinder.........
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