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Error codes PO500, PO731, PO700

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  #1  
Old 06-25-2008, 08:05 AM
rkedz rkedz is offline
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Default Error codes PO500, PO731, PO700

I have a 1999 plymouth Voyager 3.3 Auto4 spd with 190,000 miles. Speedometer stopped working so I scanned the computer and came up with 3 codes. MIL did come on. I understand that PO500 is the vehicle speed sensor. How dificult is it to change and where is it located? What would the other 2 codes mean? It seems to be going into reverse a little harder then normal. Fluid is ok. No leaks. No unusual noises. I expected this to happen sooner or later. Any help? Thx
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  #2  
Old 06-25-2008, 10:04 AM
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master tech master tech is offline
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Default RE: Error codes PO500, PO731, PO700

replace the output speed sensor on you 4 speed trans, 3.3 engines only have 4 speed tansmissions. The output sensor is localed next to the transfer gear. Or if you are looking the two sensors, it would be the one on the right.
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Old 06-25-2008, 10:29 AM
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Default RE: Error codes PO500, PO731, PO700

What do you think the other codes are calling? I am getting a little buck when I drove it around the block.
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Old 06-25-2008, 09:55 PM
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Default RE: Error codes PO500, PO731, PO700

Your transmission is going into limp-in or fail safe mode. P0500 = speed signal, P700 = PCM has a transmission code in the EATX controller, and P0731= Gear ratio error in 1st. Replace the output speed sensor and clear the codes.
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Old 06-26-2008, 08:01 AM
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Default RE: Error codes PO500, PO731, PO700

Thanks for the great input.
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Old 06-28-2008, 03:26 PM
deezozdodge deezozdodge is offline
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Default RE your: Error codes PO500, PO731, PO700

I have a (02) Grand Caravan Sport getting the engine code of p0700. Would replacing the output speed sensor clear the only code?

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Old 06-28-2008, 08:56 PM
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Default RE: RE your: Error codes PO500, PO731, PO700

I had the output speed sensor replaced and it cleared all 3 codes. It seems to cause a lot of problems when this sensor goes bad. So yes would be the answer.
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Old 07-03-2008, 05:29 PM
deezozdodge deezozdodge is offline
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Default RE: RE your: Error codes PO500, PO731, PO700

Replaced the output speed sensor (5 - 10 minute fix), cleared the p0700 code; so far - so good...
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Old 09-06-2008, 05:52 PM
gtomike gtomike is offline
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Quote:
Originally Posted by deezozdodge View Post
Replaced the output speed sensor (5 - 10 minute fix), cleared the p0700 code; so far - so good...
Hello deezozdodge!! You reported in Jan. of 2008 that you replaced the output speed sensor; and after clearing the codes, all was well. Well it is now Sept. 2008 has the p0700 code still remained off? I ask because I have a 1997 Caravan/3.3L/4 speed AT and it is now displaying a p0700 & p0740 code. I'm hoping that replacing the output speed sensor may solve my problem!
Thanks GTOMIKE
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Old 12-03-2010, 02:48 PM
sandetowingandsalvage sandetowingandsalvage is offline
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I am working on a 2003 dodge neon 2.0 and the code was po731... I changed the sensor three times and it is stuck in limp mode???? What do i do to fix it
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Old 12-03-2010, 09:12 PM
sapporo sapporo is offline
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get a real scanner and read the data the computer see's. after the 2nd sensor change and nothing got better, I'd think that something else could be the problem. ever heard of wiring problems? seems like a logical step to investigate. did you ever measure resistance of the sensors, did you ever think of getting your hands on the factory service manual instructions which will walk you through step by step diagnosis procedures so you don't just replace parts that are not bad
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Old 05-14-2011, 03:16 AM
jimbo53 jimbo53 is offline
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Default 2002 Grand Caravan Sport P0700 code

02 Grand Caravan Sport MIL came on, checked on board computer it showed P0700. The van was shifting great. Cleared code came back the next day. Took it to transmission shop, there scanner said it showed something to do with the torque converter lockup. They suggested changing the solenoid. Changed it, $400 plus $85 for diagnostic test. Got the van back, next day MIL on again with same P0700 code. Van still shifting great. Don't want to spend too much more money on this van, already out over $500 with tax, any ideas, other than changing the torque converter or entire tranny?
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Old 05-14-2011, 12:37 PM
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Welcome to DF
Was the code P0740? The problem maybe in the valve body. But you need to run some test from a pdf file or a transmission book.
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Old 05-14-2011, 08:27 PM
jimbo53 jimbo53 is offline
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Default P0700

No, the MIL code was P0700. I don't know the actual code they got from the scanner at the shop. I just assumed they had found something that led them to want to change the soleniod. but I don't think that was the problem. Because it still shifts great and codes after driving at high speeds, (above 60 mph) does not code during in town driving.
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Old 05-14-2011, 08:36 PM
kris2010 kris2010 is offline
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Default error coedes

i have a 97 grand caravan when driving home the other day it reved up and shifed into 2nd. now its in limp mode i have the codes checked and i got
p0700, p0733,p0734....... from auto zone
p1790, p1792, p0733..... dodge dearler shop
they want me to rebuild the tranny.. any thought that wont cost me an arm and or a leg

Last edited by kris2010; 05-14-2011 at 08:42 PM..
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Old 05-16-2011, 06:49 PM
jimbo53 jimbo53 is offline
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Default P0700

Talked to the transmission shop today, and was informed that the only thing it could be now is the torque converter. They said the code they were getting on there scanner showed only two possible problems, the solenoid block or the torque converter. Changed the solenoid block, $80 for diagnostic test and $404 for changing solenoid. They want $800 +tax to change the torque converter. How hard is to change this thing out, the part is only $150 all else is labor.
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Old 07-29-2011, 06:15 AM
kathy morvay kathy morvay is offline
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i have 97 grand caravan with shift problems and got local shiop to find codes/42/56/75/74 is this more than solenod? kathy morvay
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Old 07-29-2011, 06:15 AM
 
 
 
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1999, caravan, code, controller, dodge, eatx, engine, error, grand, p0731, p0740, p700, plymouth, po500, po731, ram

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