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Automatic gearbox

P0730 Gearbox slipping

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P0730 means: Gearbox slipping. The automatic gearbox control unit found a fault. Drive gently and have the car checked soon. The repair usually costs about €100–2500 in Estonia. The most common cause: gearbox oil is low or old. Other possible causes: sensor or solenoid has failed, wire or connector.

Is it safe to drive?Get it checked soonDrive gently and have the car checked soon.
Typical repair cost€100–2500parts and labour in Estonia

What it means

The automatic gearbox control unit found a fault. The gearbox may go into limp mode: it stays in one gear and shifts harshly or not at all. Engine and wheel speeds don't match. The gearbox is slipping or shifting wrongly.

What could be wrong

  1. 1Gearbox oil is low or old
  2. 2Sensor or solenoid has failed
  3. 3Wire or connector
  4. 4Internal gearbox wear

What you can check yourself

Check for oil spots under the car. Avoid hard acceleration and don't drive far in limp mode. Best left to a workshop. It needs a diagnostic tool and experience.

How we fix it

  1. We read all the gearbox fault codes
  2. We check the gearbox oil
  3. We replace the sensor, solenoid or oil, and repair the gearbox if needed

Standard SAE description: Incorrect Gear Ratio

Want a definite answer?

Bring the car to our workshop in Estonia for diagnostics. We read the fault codes, test the sensors and tell you what is wrong. Repair price depends on the work involved, generally €45 per hour.

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Questions

What does fault code P0730 mean?

Gearbox slipping. The automatic gearbox control unit found a fault. The gearbox may go into limp mode: it stays in one gear and shifts harshly or not at all. Engine and wheel speeds don't match. The gearbox is slipping or shifting wrongly.

Can I drive with code P0730?

Drive gently and have the car checked soon.

How much does it cost to fix P0730?

Roughly €100–2500 in Estonia. The price depends on exactly what has failed and on the car.

How is P0730 fixed?

We read all the gearbox fault codes. We check the gearbox oil. We replace the sensor, solenoid or oil, and repair the gearbox if needed.

Related codes

P0700Fault in the gearboxP0705Gear selector sensor gives a wrong readingP0715Gearbox input shaft speed sensor not workingP0720Gearbox output shaft speed sensor not workingP0740Fault in the torque converter lock-up clutch wiringP0741Torque converter lock-up clutch doesn't engageP0750Shift solenoid A not workingP0755Shift solenoid B not working

Based on AI combined with our hands-on workshop experience and knowledge. This information is general and prices are approximate (Estonian workshop rates). The same code can mean different things on different cars. Only an inspection of the car gives a definite answer.

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