TSB #02036 for a 1998 Honda Passport

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#1
1998 Honda Passport with Check Trans light flashing DTC Code comes back P1870. Found the TSB summary below:


TSB #02036 -- A CONDITION MAY EXIST WHERE THE CHECK TRANSMISSION LIGHT BLINKS AND AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE P1870 IS SET. *TT (NHTSA ID #635781, SEPTEMBER 24 2002)

Would like the TSB in detail to understand what repair is. Thanks.

Bob
 
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#2
bobriz said:
1998 Honda Passport with Check Trans light flashing DTC Code comes back P1870. Found the TSB summary below:


TSB #02036 -- A CONDITION MAY EXIST WHERE THE CHECK TRANSMISSION LIGHT BLINKS AND AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE P1870 IS SET. *TT (NHTSA ID #635781, SEPTEMBER 24 2002)

Would like the TSB in detail to understand what repair is. Thanks.

Bob
Are you sure you want a tsb from a pansy rear ended government organization that caters to old maid whims?
NHTSA is supposed to be a highway safety and now they have there nose stuck in transmission repair. :)

If you really want it contact them and pay into there side line kitty fund for it.

Or if you want the good factory TSB's call your dealer or get all data sub.
http://www.alldata.com/products/diy/index.html

But remember TSB are a you pay deal and do not really fix cars.
They only make you aware of certain problems.

If you want help on that code ask transman for repair procedures on it.
 

Transman

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#3
Unfortunately this code is the bane of all tranny guys. This is the tcc slipping code and there are hundreds of reasons that will set it, from legitimate slippage to a faulty temp sensor. To properly diagnose and solve this code you will need a trans capable scanner, armed with freeze frame and trans data, a competent tech will be able to pinpoint your cause. Have you serviced this one regularly? Engine running properly? Tune-up? Any new additions to the vehicle like remote start, radio, one of those never change air filters? Before you go that route though, I would recommend you check your fluid first, level, color, smell. Maybe add a bottle of Lubegard "red", this is a GM trans in here. Post back with some more info and we can help more, Transman
 
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#4
Thanks you guys.

I do not believe that it has been maintained properly. I had the fluid changed and the "check trans" light turned off (via the scanner) assuming that if it's still a problem the light would come back on. Is this reasonable?

The engine is running properly. The transmission shifts fine. It's had a remote start for a couple years now. I don't believe there is a never change air filter.

If the light comes on again I'll have a transmission specialist look at it with the trans cable scanner.

I was hoping that this may be a known problem given the TSB and would start there.

Bob
 

Transman

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#5
How many miles are on this puppy? Did you have a trans serviced or a flush? Do you feel a vibration around 50 mph? kinda like running over washboard road? It is really not good advice to reset the light and see if it comes back, the best way to handle a trans problem is not to let it become a problem. THEY DO NOT HEAL! If they did then we would not be needed, lol Post back, Transman
 
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#6
106K miles. The transmission was flushed. No vibration at 50mph.

If it was slipping and the light is reset after the flush and it still slips won't the light come back on? You think if it comes on again it will be too late?

Thanks again.
 

Transman

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#7
Sometimes, depending on the codes that is setting, it may take two or more times to get it to set again. Early stages of trans problems may not do that again for a while. Personally, I think it is already too late and all you will do is make it worse by driving it. I don't desire to be a doom sayer and I hope that I am wrong, it has been known to happen....Rarely...LOL. Good Luck, Transman