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Discussion Starter · #1 ·
Hello all .
I have a 1992 Dodge Grand Caravan ( woody ) with 158K. 3.3L FWD. 3 speed auto.
The Auto transmission does not feel, like it is shifting up to top gear.
Shifting into ''D''on the column it moves forward but feels like it is not really going past 2nd .
Any body have any suggestions for me ?
I doubt its related but just in case it is
The Speedometer has nearly always been intermittent .
A few months back the Head Lights started to come ''ON'' on there own with out the key in ignition.
Then weeks later while driving the wipers would come ''ON'' with out touching the switch.
And the radio intermittent too !
Check into the local Dodge Jeep Dealer and after a week they said they did not have a
TVR1 ( computer part ) to read / diagnose because of its age .
Thank you for reading.
Your time and suggestions greatly appreciated.
 

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Hello all .
I have a 1992 Dodge Grand Caravan ( woody ) with 158K. 3.3L FWD. 3 speed auto.
The Auto transmission does not feel, like it is shifting up to top gear.
Shifting into ''D''on the column it moves forward but feels like it is not really going past 2nd .
Any body have any suggestions for me ?
I doubt its related but just in case it is
The Speedometer has nearly always been intermittent .
A few months back the Head Lights started to come ''ON'' on there own with out the key in ignition.
Then weeks later while driving the wipers would come ''ON'' with out touching the switch.
And the radio intermittent too !
Check into the local Dodge Jeep Dealer and after a week they said they did not have a
TVR1 ( computer part ) to read / diagnose because of its age .
Thank you for reading.
Your time and suggestions greatly appreciated.
We should start at counting the shifts you feel from start, and totaling up.

Now, there is this other thing in your transmission called a torque convertor clutch (TCC). This TCC will at times feel like another gear. We must also consider this as well, and IF it is engaging.

Note: My TCC failed at some point, changed how things worked.
 

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1997 Chrysler Town & Country LXi AWD
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199 Posts
Seems like you need a TCM and BCM. TCM (transmission) is in limp mode, which locks it into 2nd, while BCM (body) may be causing all the other issues if it controls as much as it does on the 3rd gens.
 

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First off, your van has a 4-speed auto, not a 3 speed.
2ndly, start by fixing your BCM, which is the most likely cause of your other issues. Due to the faulty BCM throwing off voltages, I have had one cause engine/trans function issues.
 

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Discussion Starter · #5 ·
Hello All ,
Thank you for your advice with these issues on my Grand Caravan.
Sorry slow replay here, I don't have internet at the house .
Three knowledgeable and helpful response. Did i miss one ?
zexphill, Thank you it could well be the TCC as you say, not sure, and how i check .
JCrust 13 Thank you, I think I was reading something like that about the TCM and the BCM.
It does sound plausible.
Long Voyager 94, Thank you, your right it is not a 3 speed trans , on the dash it has
L. 3. and D.
And Again the BMC is brought up, So it seems the place to start.
I should start looking for one of these.
Do you all know if they are available New ? Or Used ?
Thank you again.
 

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Discussion Starter · #6 ·
Hello . I have looked for a BMC, at salvage yards, close but no luck.
There are a few place that repair them one place with good reviews Cardone,
I set it to, they sent it back saying ''no test program available ''.
Now I might have found one on line already repaired .
To check i have the right part # I gave my Vin # to two different local Dodge dealers ,
One came with 4728597 saying I have an electron dash .
The other came up with 4728591 saying that i have an electron cluster .
How do i know which when two dealers come up with differnt last # ?
Here is my vin # NX 205997
Any body know ?
Thank you for reading .
 

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2013 Dodge Grand Caravan
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You will need to look at the code on your BCM label. Match that code or things may not work.
 

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Discussion Starter · #8 ·
Thank you , I believe you yes .
The #'s on the actual BMC are on two separate stickers ,
I give these # to dealers , showed them the BMC , the place i found that has both those
BMC's ending in 7 and 1 .
And no one is interested strangly in the #'s on the actual original BMC .
But makes sense what you said.
 

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D - 3 - L on your shifter means you have the four-speed. The three-speed autos have positions D - 2 - 1, if I recall correctly.

If you have a four-speed that only feels like it's giving you two gears, that's limp mode. Does sound like you have some other electrical gremlins happening, so that could be part of the cause. But I've seen something as simple as low tranny fluid put these things in limp mode.
 

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1997 Chrysler Town & Country LXi AWD
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D - 3 - L on your shifter means you have the four-speed. The three-speed autos have positions D - 2 - 1, if I recall correctly.

If you have a four-speed that only feels like it's giving you two gears, that's limp mode. Does sound like you have some other electrical gremlins happening, so that could be part of the cause. But I've seen something as simple as low tranny fluid put these things in limp mode.
We had a 97 (not the one I currently have) go into limp mode because some sensors in or on the trans were either dirty or bad. Cleaning and replacing them fixed it.
 
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