📖 What Does P0730 Mean?
The transmission is not achieving the correct gear ratio. The actual gear ratio does not match what the transmission control module expects.
Symptoms
Slipping transmission, harsh shifting, no movement in certain gears, transmission stuck in one gear, poor acceleration.
Common Causes
Internal transmission wear, faulty solenoids, low transmission fluid, valve body problems, torque converter issues.
Possible Solutions
Check transmission fluid, replace faulty solenoids, repair or rebuild transmission, replace valve body if needed.
Recommended Parts & Tools
Find the right parts for your P0730 repair on Amazon
📦 Parts Needed
💡 Pro Tip: Always verify part compatibility with your specific vehicle year, make, and model before purchasing.
As an Amazon Associate, CarMedic earns from qualifying purchases. This helps us maintain our free diagnostic database.
Frequently Asked Questions about P0730
How serious is P0730?
This code has a high severity level. You should address this issue immediately to prevent engine damage.
Can I drive with P0730?
Driving with this code is not recommended as it may cause further engine damage.
How much does it cost to fix P0730?
Repair costs vary depending on the root cause, but typically range from $200-500 including parts and labor.
Related Diagnostic Codes
Other codes that may appear with P0730
Transmission Control System Malfunction
Transmission System Code P0701
Transmission System Code P0702
Transmission System Code P0703
Transmission System Code P0704
Transmission System Code P0705
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system