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Code po730 - Cars & Trucks

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This code is for a slippage issue with the transmission. If the transmission feels like it is slipping then you may have a low fluid condition or a problem inside of the transmission. If the vehicle drives fine without slippage then there may be a sensor issue.

Posted on Jan 10, 2013

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Code PO 30 on what? What is the machine, its manufacturer, its model, etc. ? Give some clue as to what you want me to do!

Posted on Jan 09, 2013

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Posted on Jan 02, 2017

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How to fix diagnostic codes po700 and po730 ?

Symptoms of a P0700 DTC may include:
  • Malfunction Indicator Lamp (MIL) illumination
  • The transmission may exhibit drivability problems like slipping, etc
More often then not, the cause of this code is that there is a transmission problem of some kind. The TCM detected the problem and set a code. P0700/PO700 means that a fault code is stored in the TCM. However this doesn't rule out the possibility of a failed PCM or TCM (unlikely).
For a P0700/PO730 the only real solution is to acquire a scan tool that will communicate with the transmission control module. Extracting this code from the TCM will be the first step in repairing the fault in the transmission.
If the TCM compatible scan tool will not communicate with the Transmission Control Module then that is a good indication that there may be a fault with the TCM itself.

Sep 06, 2014 | 2006 Chrysler 300 Touring

1 Answer

Incorrect gear ratio

P0730 Incorrect Gear Ratio
MST-3 diagnostic scan tool

Feb 23, 2013 | 2000 Honda CR-V

1 Answer

What do these fault codes mean po730 po700

po700 is Trans Control Sys Malfunction and po730 is Gear Ratio Incorrect.

Jun 04, 2012 | 2005 Chrysler 300 C

1 Answer


the code P0730 means slip in transmission. basicly wear in trans or failure to go into lock up mode.

Oct 01, 2010 | 1997 Saab 900

1 Answer

Po730 gear ratio incorrect po740 tcc circuit whats wrong ??? can it be fix

lock up control solenoid A B C is in fault causing your code that is inside the transmission most likely possible need rebuilt or used trans in if solenoid will not cure the problem

Jan 19, 2010 | 2000 Honda Accord

2 Answers


have the same code on my 2002 jetta with 1.8t. pulled the tranny apart on the car from the side tranny cover and found only one set of really burnt up clutches. very easy to change. i also had that po730 code. car felt like wouldn't shift into 3rd 4th 5th. better than spending $2000 for a used tranny!!

Aug 10, 2009 | 1997 Volkswagen Passat

1 Answer

1998 honda civic ex coupe

P0700 means that a tranny code does exist...
rate me solved...I answered your request, right?

Jun 16, 2008 | 1998 Honda Civic

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