Question about Dodge Neon
The first thing you need to be aware of is that fault codes do not tell you exactly what is wrong with the car and never indicate specific parts have failed. Fault codes only give an indication as to what circuit or system is behaving abnormally at the time.
The fault code P0700 from your engine control module means that there are fault code(s) stored in the transmission module as well. it is not an indication of a problem in itself; it is just a flag to alert the technician that he needs to scan the transmission controller for faults.
For the couple of model years i checked, there was no valid definition for a P0731 on the neon model. If you give me the exact year of the vehicle, i can check to see if there is a definition for this code for your car, but i can tell you that being a 700 series code it is going to be related to transmission operation.
To diagnose this type of fault code is going to require access to a professional level scan tool that is capable of accessing the trans control module for fault codes and stored data. O nce the codes from the transmission are read, then there will be a manufacturer's test procedure to follow to test operation of the specific circuits and components related to that code. This again is going to require a DRB-III scan tool or equivalent to display live transmission data as well as to run the test sequences involved in diagnosing whatever code is stored there.
So, for this reason my answer to your question would be that you should take this particular problem in to a shop with the required test equipment and a technician trained in Chrysler transmission diagnostics to be looked at before attempting any kind of repairs yourself. Some things can easily be diagnosed and repaired at home in the driveway with minimal equipment; this particular type of fault is not one of them.
Posted on Sep 07, 2009
I am not a mech. but I own a 2002 dodge neon sxt 142,000 mi on it and have had all the regular problems with the transmision.If you have an auto trans, and it is stuck in 1st or 2nd gear here is a link that might help there are 13 parts to the video. http://www.youtube.com/watch?v=46VeVdRdkpc&playnext=1&playnext_from=QL
Posted on Sep 10, 2009
PO700 is a code telling you there are codes in the TCM of some late model cars where the Transmission control module has been removed from the PCM the vehicals main computer , And basically it happens when the TCM has a issue within itself or the transmission that sets a code and it sends a request for the PCM to illuminate the SES or CHECK engine light. To get at the TCM codes requires in most cases the most up to date scanner software purchased after the cars model year and as of yet is still a little iffy. Standard OBD11 scanners will generally not be able to see these codes. seek professional help with this one.
Posted on Sep 07, 2009
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Posted on Jan 02, 2017
1-P0175 is running rich. This will need to be checked by a mechanic unless you have some very expansive and highly technical machines too.
P0700 and p0731 both have to do with transmission malfunctions. Please - these things are not for at home unless you have the electronics and know your way around the cars.
YOU CAN DO THIS - take down the VIN number and call the dealer - ask if any RECALLS are on your car. This has saved many people thousands of dollars and you do not have to have bought the car new or even own it now to get these fixed.
TRY THIS -
1- Take the negative battery cable loose
2- Take the gas cap off and replace it [ really works
3- you might want to replace the air filter if you do not remember when the last time it was done.
4 - reattach the battery and drive the car for 20 minutes or so to see how that goes.
If this fails please take it to a dealer or a very reputable mechanic with the proper tools as you can end up making it worse because of the computers today.
Posted on Mar 22, 2010
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