I am trying to locate either the transmission or the van assembly date code. It is supposed to be either on the transmission or in the wheel well. It is supposed to be something like 4800XXX or 4700XXX. Do you where exactly this number is?
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Depends on the type of transmission in the van. Most late model transmissions use electronic shift solenoids to control shift points. If the transmission in this van has a modulator valve, it is located on the passenger side of the van near the middle of the transmission with a vacuum hose attached to it.
P0700 is transmission control system malfunction. It could be a wiring issue, like the p0200-injector circuit malfunction. Are there any problems with the transmission? You may need the wiring and transmission controls checked out. If there are no issues with the transmission, erase the codes and try again.
P1776 is the only code you need to be concerned with it a problem with the solenoid back (not the transmission valve body) Also did you recieve the transmission reflash that the dealer are supposed to do? And this is why you are dealing with a delay engagement (by the way its not second gear its 3rd)
DATE: January 22, 2005
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 21-007-04, DATED MAY 11, 2004, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES, ADDITIONAL MODEL YEARS.
SUBJECT: Transmission Delayed Engagement
OVERVIEW: This bulletin involves replacing the front pump assembly in the transmission and checking the Transmission Control Module (TCM) for the latest software revision level.
Those solenoids are supposed to move that valves inside the transmission, they are used to change the gears. If they are mechanically faulty then they are jammed.
This means that the valve assembly has been damaged beyond repair either by a mechanical shock (you hit something and the assembly broke) or you used the wrong transmission oil. The valve assembly will have to be completely replaced. The transmission will have to be dismantled for that.
remove the air cleaner assembly to remove the upper bell housing bolts.you need a engine support fixture to support the engine,you have to raise van with a lift to support van,besure to remove crankshaft position sensor from the transmission bell housing.you have to drain transmission fluid in a catch pan,remove both front axles.you need transmission jack support transmission.to do this job you will need a haynes repair manual because you have a list of things need to be removed before removing transmission, you need all basic mechanic tool set.
p1784 is indicating that the pressure in the transmission is not correct for the low and reverse clutch in the transmission .. thats also use in forword gears .. first make sure the fluid leve is not low .. then you could have a bad "low/reverse"solonoid switch (thats on the drivers side of the transmission in a box called the solonoid pack) ... that could just be stuck .. if thats the problem it can be repaired without removing the transmission ..
OBD Code P1750 = Solenoid Assembly / Manufacturer Control Transmission.
I tell you it is infact your solenoid box assemble is going. What
that does is to tell your transmission when to shift into gears. Im
assuming your car is having a hard time shifting gears and juts need replace this part.
I'll check the Neutral Safety Switch. It's
located on the shift shaft of the trans, and is a common problem. Also
check the wiring leading to the switch, as it is exposed to road grime
and has been known to corrode and melt.
Actually, the Torque Converter Clutch Solenoid is located within the transmission housing that is easily accessible through the transmission oil pan. The TCC solenoid may vary in location dependent upon manufacture but generally it is located as aforementioned. It can cause your vehicle to stall if stuck open or close because it controls loads to the engine via your torque converter which is located between the vehicle's engine and transmission. Also, make certain that you attempt to change the transmission fluid and filter before changing the TCC solenoid because that may be your underlying issue. If not, simply reuse your fresh oil and change the TCC soleniod.