Question about Chrysler 300M

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I have a 203 chrysler 300 m came with code p0700 or p0720 trans shifted into second gear and would not shift into drive shut engine off and ten it was okay

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  • bodna2 Jun 25, 2009

    I HAVE A 2003 CHRYSLER 300M SPECIAL WITH AUTO SHIFT AND I HAD IT IN MANUAL SHIFT AND IT WITH INTO SECOND GEAR AND I COULD NOT SHIFT IT DOWN OR UP EVEN IN AUTO DRIVE IT WOULD NOT SHIFT UNTIL I SHUT THE ENGINE OFF AND RETARTED IT THEN IT WENT BACK INTO NORMAL I THINK IT CAME UP WITH CODE P0720

  • bodna2 Jun 25, 2009

    WHAT IS THE EXACT WEB I GO INTO

  • bodna2 Jun 26, 2009

    I TOOK THE CAR TO OUR SHOP WHERE I WORK AND HOOKED IT UP TO THE SCANNER MACHINE AND TOOK THE CAR FOR A 30KM. TRIP AND EVERY THING CHECKED OUT OKAY INCLUDING BOTH SENSORS AND THE SENSORS INTHE TRANSMISSION BUT THEN GOING HOME AND ABOUT 6KM FORM HOME THE CAR AGAIN GOES INTO FRIST OR SECOND GEAR IT IS STRATING TO DRIVE ME GRAZY

  • bodna2 Jun 26, 2009

    would like a reply with what i sent you

  • bodna2 Jun 26, 2009

    WHAT WOULD THE ALTERNATOR AND CRANK SENSOR HAVE TO DO WITH TRANS CODE P0700

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3 Answers

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  • Chrysler Master
  • 3,854 Answers

P0700 is a generic code for the transmission that there is a signal lost to your Transmission Control Module (TCM) from the transmisison's sensors and shift solenoid. The P0720 is the code for your Vehicle Velocity Sensor ( VVS ). The VVS is the sensor that counts the rotation speed of the out put shaft of the transmission to the axle which in is then calculated in the TCM which will then command the shift solenoid to up shift to the next gear or down shift accordingly to the engine and transmission out put shaft speed. The things to look for is a bad harness connection, wire and then the sensor it self. the sensor is usually located on one of the drive shaft half shafts. It is located on the driver side. If you remove the wheel you might be able to see it.  Go from under the car to replace the VVS.  You might want to replace the speed sensor and odometer sensor while you are at it. Both are in the same place but one is slightly higher.  It takes about 1 hours to locate and replace, but once you know where they are it should take no more than an hour. Good luck and keep me posted, Recap, check the wire harness and clips that connect the wire to the sensor since the problem comes and goes. Keep me posted , be glad to help

Posted on Jun 26, 2009

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  • Master
  • 583 Answers

The actual error code is p0700 and it indicates the generic problem with transmission section.
i am giving you link to the repair manual for further diagnosis step by step: start checking from page numbers 19 and 20 of the manual i m giving you:
http://www.xenonkauppa.fi/WebRoot/Kaupat/Shops/Xenon/45A8/E4D2/A3F4/882B/F821/C0A8/071C/83EC/CR-Pro_0020_User_0027_s_0020_Manual_0020_V2_002E_8.doc

click the link directly.

thanks for using fixya.keep updated.
please do not forget to accept and rate this solution positively


Posted on Jun 25, 2009

  • livetech Jun 25, 2009

    http://www.xenonkauppa.fi/WebRoot/Kaupat...




    thats the exact weblink.start checking from page numbers 19 and 20 of the manual


    thanks for using fixya.keep updated.
    please do not forget to accept and rate this solution positively

  • livetech Jun 26, 2009

    i would suggest you to get the alternator checked and also just have a look on crankshaft sensor too.

    thats what i feel are causing the problem.



    thanks for using fixya.keep updated.
    please do not forget to accept and rate this solution positively


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  • Contributor
  • 240 Answers

Error code P0720 is Output Speed Sensor Circuit Malfunction . pls rate this solution if satisfied

Posted on Jun 25, 2009

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Do the key dance to see if you have any codes:

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