P0730 VOLKSWAGEN code

P0730 is the OBD-II generic code for an incorrect gear ratio detected in an automatic transmission. The ratio of a combination of engine speed and throttle position and the speed of the transmission is used to determine what gear the transmission will use when driving.

How do I fix error code P0730?

Possible fixes to clear a OBD-II Trouble Code P0730 include:

  1. Inspect electrical connections and wires connecting sensors to the transmission control module.
  2. Repair or replace any damaged wires in and around the transmission control module.
  3. Repair or replace any damaged wires in and around transmission speed sensor.

What causes P0730 code?

Code P0730 means that the Powertrain Computer or PCM is seeing greater than a specified RPM difference between the rotational speed of the Input RPM Sensor and the Transmission Output RPM Sensor. This can occur during shifting or when driving at steady speeds in the same gear.

How do you fix 4th gear incorrect ratio?

How do you fix incorrect ratio on Gear 4?

  1. Change transmission fluid / filter.
  2. Repair or replace damaged wiring and/or connectors.
  3. Repair or replace failed transmission or torque convertor component.


What causes incorrect gear ratio code?

The incorrect gear ratio code may have several causes: Bad or dirty fluid in the transmission. Low fluid in the transmission. Broken mechanical components within transmission.

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Can you check transmission fluid?

Pull out the dipstick, wipe it clean, replace it slowly, and then pull it back out. Check the fluid level—how high the fluid comes up on the dipstick—against the “full” and “low” or “fill” marks on the dipstick. The color of transmission fluid can tell you a lot about the health of your car’s transmission.

How do you fix transmission slipping?


Zitat von Youtube: You just pulled the pan out and as you can see there's a lot of black crud inside then go back onto the transmissions on the GM's the filter just pulls. Right off and you replace them due.

What are the signs that your transmission is going out?

What Are the Transmission Failure Symptoms?

  • Refusal to Switch Gears. If your vehicle refuses or struggles to change gears, you are more than likely facing a problem with your transmission system. …
  • Burning Smell. …
  • Noises When in Neutral. …
  • Slipping Gears. …
  • Dragging Clutch. …
  • Leaking Fluid. …
  • Check Engine Light. …
  • Grinding or Shaking.

What causes transmission control system malfunction?

P0700: Possible Causes



Faulty Transmission Control Module (TCM) Defective shift solenoids. Defective valve body. Malfunctioning engine coolant temperature sensor.

Will a bad shift solenoid throw a code?

Shift solenoids can be somewhat expensive to replace, but not nearly as much as the entire transmission. Ignoring a warning light or code being thrown by a faulty transmission shift solenoid can lead to serious problems, such as running your vehicle in the wrong gear for your speed and conditions.

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What causes low transmission fluid pressure?

Insufficient transmission fluid levels due to leaks in the system. Slipping or otherwise malfunctioning transmission. Malfunctioning transmission high pressure pump. Defective transmission temperature sensor.