Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P0730Incorrect Gear Ratio
Manufacturer communications
31Original wording in English
SUBARU
This Bulletin announces a correction to the diagnostic procedures for certain CVT related DTCs, including P0730, P0746, P0747, P0841, P0846, P0867, P1867, P1894, and P2723.
CAN-AM
Revision of TST 140875 P0730 Active Fault Fault code can be triggered if the unit has the wrong rear sprocket or a different wheel size. The cluster will stop displaying the gear indication and check engine light came on (limp home condition) and the gearbox won't shift.
HYUNDAI
Certain 2020-2021MY Accent (HC) vehicles may experience an illuminated warning light due to the following Diagnostic Trouble Codes (DTC) listed below: • TCU DTC Codes: P0730, P0731, P0741, P0867, P1603 Follow the procedure in TSB 24-01-018H (or latest version) to perform the TCU update, and, if necessary, replace the IVT (Intell…
HYUNDAI
Certain 2020-2021MY Accent (HC) vehicles may experience an illuminated warning light due to the following Diagnostic Trouble Codes (DTC) listed below: • TCU DTC Codes: P0730, P0731, P0741, P0867, P1603 Follow the procedure in TSB 24-01-018H (or latest version) to perform the TCU update, and, if necessary, replace the IVT (Intell…
Check vehicle applicability
449A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Incorrect Gear Ratio
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.