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    Thread: Transmission Slipping P0740 & P0730

    1. Member Arman's Avatar
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      10-16-2011 12:26 AM #1
      Hey, my 2002 VW Beetle's transmission is slipping. I put the car on the lift and while running i opened the transmission oil bolt and oil was flowing down. The oil was extremely black so i went to an auto part store bought the filter and oil. I ran obd reader and got codes p0740 & p0730. I havent test drove the car but will this help the slippage? Whats the code mean? I know their transmission codes, but what causes this...?

    2. Member Rockerchick's Avatar
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      '03 BMP 20th GTI, '84 TD Jetta
      10-16-2011 10:42 AM #2
      Here is info on the P0730 code:

      http://wiki.ross-tech.com/wiki/index...4/P0730/001840
      17114/P0730/001840 - Gear Ratio Monitoring: Incorrect Gear Ratio
      Possible Symptoms

      Malfunction Indicator Light (MIL) ON

      Possible Causes

      Transmission Fluid contaminated
      Transmission faulty (Mechanical Problem)

      Possible Solutions

      Check Transmission Fluid (Color and Contamination)
      Replace Transmission Fluid when necessary
      Check Transmission Mechanics


      P0740:
      Torque Converter Clutch Circ Malfunction

      1st off, what fluid did you use? The VW autos need to have VW fluid in them. They are not the greatest to begin with and putting aftermarket fluid in them doesn't do them any favors.

      Looks like you may have a mechanical problem with the transmission. You may want to head over to the technical section here and post in the auto trans section.
      Quote Originally Posted by TM87 View Post
      VW-making mechanics out of owners since 1957.
      The project - '84 Jetta 1.6TD
      The Wheelbarrow - '82 Rabbit Pickup
      Hers - '03 BMP 20thAE GTI
      His - '16 GLI SE

    3. Member Arman's Avatar
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      10-16-2011 05:19 PM #3
      I went to a part store that sells euro parts...he gave me mercedes benz atf which had the exact part #. I was a bit worried but he told me that its a universal oil and its the same red color/part #.
      05 BMW M3 - 99 GTI VR6 400HP - 02 BT GTI 337 - 16 AUDI S5 - 91 GTI 16V
      WWW.EUROMOTIV.COM - EUROPEAN PERFORMANCE PARTS - WHOLESALE PRICES!

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