The transmission isn't matching the expected engine-to-wheel speed in some gear, which usually means slipping.
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
Low or burnt fluid. Then: worn clutches or bands; solenoid or valve body fault.
Owners named P0730 in 82 complaints to the U.S. government, most often on the Honda Odyssey.
Models that report it most
Complaints that name P0730, by model. Raw counts, not a failure rate: popular models get more complaints. Tap a model for its years, mileage and what owners say fixed it.
P0730 by model: P0730 Honda Odyssey (37)
Years owners report it on most: 2003 Honda Odyssey · 2002 Honda Odyssey · 2001 Honda Civic · 2003 Honda Pilot · 2002 Honda Civic · 2000 Honda Accord
Transmission problems by year: Honda Odyssey · Honda Civic · Honda Pilot · Honda Accord · Dodge Challenger · Dodge Durango
The details
What P0730 means
The transmission isn't matching the expected engine-to-wheel speed in some gear, which usually means slipping.
Can I drive with P0730?
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
26% of the owner complaints that name P0730 also say the car transmission slips or shifts hard. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0730
- Low or burnt fluid
- Worn clutches or bands
- Solenoid or valve body fault
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Transmission slips or shifts hard: 26% of complaints
- Loses power or goes into limp mode: 11% of complaints
- Stalls or shuts off: 9% of complaints
- Brakes or ABS act up: 9% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P0730 most
2003 Honda Odyssey (17), 2002 Honda Odyssey (15), 2001 Honda Civic (5), 2003 Honda Pilot (5), 2002 Honda Civic (4), 2000 Honda Accord (2).
Related codes
P0731 P0732 P0733 P0734 P0735 P0736 P0729 P0725
Quick answers
What does P0730 mean?
Incorrect Gear Ratio. The transmission isn't matching the expected engine-to-wheel speed in some gear, which usually means slipping.
Can I drive with P0730?
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
What causes P0730?
Low or burnt fluid; Worn clutches or bands; Solenoid or valve body fault.
Counts: NHTSA owner complaints whose text names P0730. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.







