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Discuss '02 300M: Code P0700 and... in the rec.autos.makers.chrysler forum at Car Dealer Forums; 1. Check Engine light on again. At first I assumed it was P0441 again, but ...
  1. #1
    Percival P. Cassidy
    Guest

    Default '02 300M: Code P0700 and...

    1. Check Engine light on again. At first I assumed it was P0441 again,
    but I checked and found it was P0700, which I understand is a somewhat
    general "Automatic Transmission Fault" message. Pulled the fuses for the
    computer and left them out for a while, and the vehicle ran for a couple
    of miles before the CEL came on again and the transmission shifted down.
    "Argh! Limp mode!" I thought, but I found that it *will* shift up from
    2nd but only at a higher-than-normal speed.

    2. The Climate Control display is blank. The fuses all seem to be OK.
    All the CC controls seem to work OK, but there is no display.

    Is there any one fault that could account for *both* these problems?

    The transmission problem seems most likely to be a sensor failure, from
    what I have read, but where do I look for the cause of the blank CC display?

    Perce



    › See More: '02 300M: Code P0700 and...

  2. #2
    Percival P. Cassidy
    Guest

    Default Re: '02 300M: Code P0700 and...

    On 05/25/08 09:24 pm I wrote:

    > 1. Check Engine light on again. At first I assumed it was P0441 again,
    > but I checked and found it was P0700, which I understand is a somewhat
    > general "Automatic Transmission Fault" message. Pulled the fuses for the
    > computer and left them out for a while, and the vehicle ran for a couple
    > of miles before the CEL came on again and the transmission shifted down.
    > "Argh! Limp mode!" I thought, but I found that it *will* shift up from
    > 2nd but only at a higher-than-normal speed.
    >
    > 2. The Climate Control display is blank. The fuses all seem to be OK.
    > All the CC controls seem to work OK, but there is no display.
    >
    > Is there any one fault that could account for *both* these problems?
    >
    > The transmission problem seems most likely to be a sensor failure, from
    > what I have read, but where do I look for the cause of the blank CC
    > display?



    The Climate Control display has come back to life. I'm going to check
    the transmission fluid level with the fluid warm. Cold and engine off
    it's fine.

    Perce

  3. #3
    Mike
    Guest

    Default Re: '02 300M: Code P0700 and...


    "Percival P. Cassidy" <nobody@notmyISP.net> wrote in message
    news:zio_j.47$p%2.6@newsfe06.lga...
    > 1. Check Engine light on again. At first I assumed it was P0441 again, but I
    > checked and found it was P0700, which I understand is a somewhat general
    > "Automatic Transmission Fault" message. Pulled the fuses for the computer
    > and left them out for a while, and the vehicle ran for a couple of miles
    > before the CEL came on again and the transmission shifted down. "Argh! Limp
    > mode!" I thought, but I found that it *will* shift up from 2nd but only at a
    > higher-than-normal speed.
    >
    > 2. The Climate Control display is blank. The fuses all seem to be OK. All
    > the CC controls seem to work OK, but there is no display.
    >
    > Is there any one fault that could account for *both* these problems?



    No, you have two seperate problems.


    > The transmission problem seems most likely to be a sensor failure, from what
    > I have read, but where do I look for the cause of the blank CC display?
    >
    > Perce



    The P0700 code indicates a problem with the trans. You will need a scan tool
    capable of communicating with the trans computer to determine what the exact
    trans failure code is. A common failure seems to be the input and/or output
    speed sensor failure. Don't just throw parts at it, have it scanned so you can
    find out exactly what the problem is.



  4. #4
    Mike
    Guest

    Default Re: '02 300M: Code P0700 and...


    "Percival P. Cassidy" <nobody@notmyISP.net> wrote in message
    news:C9F_j.24$hE4.23@newsfe05.lga...
    > On 05/25/08 09:24 pm I wrote:
    >
    >> 1. Check Engine light on again. At first I assumed it was P0441 again, but
    >> I checked and found it was P0700, which I understand is a somewhat general
    >> "Automatic Transmission Fault" message. Pulled the fuses for the computer
    >> and left them out for a while, and the vehicle ran for a couple of miles
    >> before the CEL came on again and the transmission shifted down. "Argh! Limp
    >> mode!" I thought, but I found that it *will* shift up from 2nd but only at
    >> a higher-than-normal speed.
    >>
    >> 2. The Climate Control display is blank. The fuses all seem to be OK. All
    >> the CC controls seem to work OK, but there is no display.
    >>
    >> Is there any one fault that could account for *both* these problems?
    >>
    >> The transmission problem seems most likely to be a sensor failure, from
    >> what I have read, but where do I look for the cause of the blank CC
    >> display?

    >
    >
    > The Climate Control display has come back to life. I'm going to check the
    > transmission fluid level with the fluid warm. Cold and engine off it's fine.
    >
    > Perce


    Trans fluid level is not monitored by the trans computer and will not set a
    code.



  5. #5
    Percival P. Cassidy
    Guest

    Default Re: '02 300M: Code P0700 and...

    On 05/26/08 05:13 pm Mike wrote:

    >>> 1. Check Engine light on again. At first I assumed it was P0441
    >>> again, but I checked and found it was P0700, which I understand is a
    >>> somewhat general "Automatic Transmission Fault" message. Pulled the
    >>> fuses for the computer and left them out for a while, and the vehicle
    >>> ran for a couple of miles before the CEL came on again and the
    >>> transmission shifted down. "Argh! Limp mode!" I thought, but I found
    >>> that it *will* shift up from 2nd but only at a higher-than-normal speed.
    >>>
    >>> 2. The Climate Control display is blank. The fuses all seem to be OK.
    >>> All the CC controls seem to work OK, but there is no display.
    >>>
    >>> Is there any one fault that could account for *both* these problems?
    >>>
    >>> The transmission problem seems most likely to be a sensor failure,
    >>> from what I have read, but where do I look for the cause of the blank
    >>> CC display?


    >> The Climate Control display has come back to life. I'm going to check
    >> the transmission fluid level with the fluid warm. Cold and engine off
    >> it's fine.


    The CC display is blank again.

    > Trans fluid level is not monitored by the trans computer and will not
    > set a code.


    I was thinking that low fluid level might cause give rise to a shift
    problem that might in turn generate the P0700 code. But the level is
    fine hot and with the engine running.

    Perce

  6. #6
    Percival P. Cassidy
    Guest

    Default Re: '02 300M: Code P0700 and...

    On 05/26/08 05:12 pm Mike wrote:

    >> 1. Check Engine light on again. At first I assumed it was P0441 again,
    >> but I checked and found it was P0700, which I understand is a somewhat
    >> general "Automatic Transmission Fault" message. Pulled the fuses for
    >> the computer and left them out for a while, and the vehicle ran for a
    >> couple of miles before the CEL came on again and the transmission
    >> shifted down. "Argh! Limp mode!" I thought, but I found that it *will*
    >> shift up from 2nd but only at a higher-than-normal speed.


    <snip>

    >> The transmission problem seems most likely to be a sensor failure,
    >> from what I have read, but where do I look for the cause of the blank
    >> CC display?


    > The P0700 code indicates a problem with the trans. You will need a scan
    > tool capable of communicating with the trans computer to determine what
    > the exact trans failure code is. A common failure seems to be the input
    > and/or output speed sensor failure. Don't just throw parts at it, have
    > it scanned so you can find out exactly what the problem is.



    Further Googling suggested a faulty input sensor (in stock at all the
    local Advance Auto stores for $16.xx), but with car on ramps I can't
    reach the sensor anyway -- somewhat limited wrist mobility. On a hoist
    no problem, I'm sure.

    I assume there's no reason to go to Chrysler dealer rather than to
    friendly neighborhood NAPA-affiliated repair guy? Or would only Chrysler
    dealer have the *right* scan tool?

    Perce

  7. #7
    Mike
    Guest

    Default Re: '02 300M: Code P0700 and...


    "Percival P. Cassidy" <nobody@notmyISP.net> wrote in message
    news:YMG_j.42$2f5.40@newsfe07.lga...
    > On 05/26/08 05:12 pm Mike wrote:
    >
    >>> 1. Check Engine light on again. At first I assumed it was P0441 again, but
    >>> I checked and found it was P0700, which I understand is a somewhat general
    >>> "Automatic Transmission Fault" message. Pulled the fuses for the computer
    >>> and left them out for a while, and the vehicle ran for a couple of miles
    >>> before the CEL came on again and the transmission shifted down. "Argh!
    >>> Limp mode!" I thought, but I found that it *will* shift up from 2nd but
    >>> only at a higher-than-normal speed.

    >
    > <snip>
    >
    >>> The transmission problem seems most likely to be a sensor failure, from
    >>> what I have read, but where do I look for the cause of the blank CC
    >>> display?

    >
    >> The P0700 code indicates a problem with the trans. You will need a scan
    >> tool capable of communicating with the trans computer to determine what the
    >> exact trans failure code is. A common failure seems to be the input and/or
    >> output speed sensor failure. Don't just throw parts at it, have it scanned
    >> so you can find out exactly what the problem is.

    >
    >
    > Further Googling suggested a faulty input sensor (in stock at all the local
    > Advance Auto stores for $16.xx), but with car on ramps I can't reach the
    > sensor anyway -- somewhat limited wrist mobility. On a hoist no problem, I'm
    > sure.



    You may be able to reach it from the top.

    >
    > I assume there's no reason to go to Chrysler dealer rather than to friendly
    > neighborhood NAPA-affiliated repair guy? Or would only Chrysler dealer have
    > the *right* scan tool?
    >
    > Perce


    You would have to ask the shop if the have a capable scan tool. The
    Chrysler dealership would definately have the proper scan tool.



  8. #8
    Percival P. Cassidy
    Guest

    Default Re: '02 300M: Code P0700 and...

    On 05/26/08 08:16 pm Mike wrote:

    >>> The P0700 code indicates a problem with the trans. You will need a
    >>> scan tool capable of communicating with the trans computer to
    >>> determine what the exact trans failure code is. A common failure
    >>> seems to be the input and/or output speed sensor failure. Don't just
    >>> throw parts at it, have it scanned so you can find out exactly what
    >>> the problem is.


    >> I assume there's no reason to go to Chrysler dealer rather than to
    >> friendly neighborhood NAPA-affiliated repair guy? Or would only
    >> Chrysler dealer have the *right* scan tool?


    > You would have to ask the shop if the have a capable scan tool. The
    > Chrysler dealership would definately have the proper scan tool.


    Friendly neighborhood NAPA-affiliated repair guy recommended taking it
    to the Chrysler dealer or to a transmission specialist, so I took it to
    the dealer that's been servicing it for the last 4+ years. Took a while,
    but they eventually got additional codes (I didn't write them down) that
    corresponded to those in a TSB concerning some valve(s) or other. They
    have to order in parts (due tomorrow morning) and replace the valve body
    and other parts. The extended warranty (which I thought had expired
    already) will cover it for the standard $100 deductible vs. $600+ for
    parts and $200+ for labor.

    Perce

  9. #9
    Mike
    Guest

    Default Re: '02 300M: Code P0700 and...


    "Percival P. Cassidy" <nobody@notmyISP.net> wrote in message
    news:%5l%j.2309$W77.911@newsfe05.lga...
    > On 05/26/08 08:16 pm Mike wrote:
    >
    >>>> The P0700 code indicates a problem with the trans. You will need a scan
    >>>> tool capable of communicating with the trans computer to determine what
    >>>> the exact trans failure code is. A common failure seems to be the input
    >>>> and/or output speed sensor failure. Don't just throw parts at it, have it
    >>>> scanned so you can find out exactly what the problem is.

    >
    >>> I assume there's no reason to go to Chrysler dealer rather than to
    >>> friendly neighborhood NAPA-affiliated repair guy? Or would only Chrysler
    >>> dealer have the *right* scan tool?

    >
    >> You would have to ask the shop if the have a capable scan tool. The
    >> Chrysler dealership would definately have the proper scan tool.

    >
    > Friendly neighborhood NAPA-affiliated repair guy recommended taking it to
    > the Chrysler dealer or to a transmission specialist, so I took it to the
    > dealer that's been servicing it for the last 4+ years. Took a while, but
    > they eventually got additional codes (I didn't write them down) that
    > corresponded to those in a TSB concerning some valve(s) or other. They have
    > to order in parts (due tomorrow morning) and replace the valve body and
    > other parts. The extended warranty (which I thought had expired already)
    > will cover it for the standard $100 deductible vs. $600+ for parts and $200+
    > for labor.
    >
    > Perce


    Glad to hear you got it fixed so quickly. Nice to have it covered under the
    extended warraty!



  10. #10
    Percival P. Cassidy
    Guest

    Default Re: '02 300M: Code P0700 and...

    On 05/28/08 07:50 pm Mike wrote:

    >> Friendly neighborhood NAPA-affiliated repair guy recommended taking it
    >> to the Chrysler dealer or to a transmission specialist, so I took it
    >> to the dealer that's been servicing it for the last 4+ years. Took a
    >> while, but they eventually got additional codes (I didn't write them
    >> down) that corresponded to those in a TSB concerning some valve(s) or
    >> other. They have to order in parts (due tomorrow morning) and replace
    >> the valve body and other parts. The extended warranty (which I thought
    >> had expired already) will cover it for the standard $100 deductible
    >> vs. $600+ for parts and $200+ for labor.


    > Glad to hear you got it fixed so quickly. Nice to have it covered under
    > the extended warranty!


    I am even more glad today that it's being covered under the extended
    warranty, because now they have discovered that yet other parts need to
    be replaced -- something about contamination of some seals.

    Perce

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