The transmission is not achieving the correct gear ratio.
Have this diagnosed before driving further
Informational only. Consult a qualified mechanic.
Check fluid level and condition. May need transmission rebuild or replacement.
The P0730 OBD-II diagnostic trouble code (DTC) indicates: incorrect gear ratio. This is a critical-severity powertrain code that your vehicle's onboard diagnostics system triggers when the transmission is not achieving the correct gear ratio. If your check engine light is on with this code, you should have the vehicle inspected immediately before driving further.
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