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Error codes PO500, PO731, PO700

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  #1  
Old 06-25-2008, 08:05 AM
rkedz
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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
  #2  
Old 06-25-2008, 10:04 AM
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master tech
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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
rkedz
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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
rkedz
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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
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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
rkedz
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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
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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
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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
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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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