P0730 is rated as critical severity. Stop driving — risk of damage or safety hazard.

P0730

Incorrect Gear Ratio

Q: What does code P0730 mean?

Incorrect Gear Ratio: The transmission is not achieving the expected gear ratios. May indicate internal transmission damage or solenoid failure.

Powertrain Code · Critical

What does P0730 mean?

The transmission is not achieving the expected gear ratios. May indicate internal transmission damage or solenoid failure.

System: Transmission

P0730 is a powertrain diagnostic trouble code indicating incorrect gear ratio. This code is classified as critical severity, which means: stop driving — risk of damage or safety hazard.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.