P0730 on DODGE CHALLENGER — Incorrect Gear Ratio

Q: "What does P0730 mean on a DODGE CHALLENGER?"

"P0730 indicates: Incorrect Gear Ratio. This is a transmission code. 2 DODGE CHALLENGER owners have reported this to NHTSA."

Q: "What are the most common causes of P0730 on DODGE CHALLENGER?"

"Based on 2 NHTSA reports, the most commonly cited components are: Engine And Engine Cooling,Power Train, Power Train. These percentages are based on the component field in owner complaints."

Q: "Is P0730 serious on my DODGE CHALLENGER?"

"Of 2 NHTSA reports for this code on DODGE CHALLENGER, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my DODGE CHALLENGER shows P0730?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P0730 Means on Your DODGE CHALLENGER

P0730 is a diagnostic trouble code indicating: Incorrect Gear Ratio. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 DODGE CHALLENGER owners have reported this issue to NHTSA across model years 2009-2010. Most reports come from the 2009, 2010 model years. The most commonly reported component is Engine And Engine Cooling,Power Train (50.0% of reports).

Real DODGE CHALLENGER Owner Reports

Source: NHTSA Complaints Database

"Issue # 1) i have an automatic transmission 2009 dodge challenger rt. so i was driving under normal conditions accelerating normally and the engine coughs...strange. then it does it again, a very sudden cough like it is struggling for air, the vehicle almost shudders too. engine code pops up."

— 2009 DODGE CHALLENGER owner · ENGINE AND ENGINE COOLING,POWER TRAIN · Filed 08/11/2010

"Tl* the contact owns a 2010 dodge challenger. while driving at 70 mph, the vehicle stalled while trying to accelerate and the transmission warning signal illuminated. when the vehicle was restarted, the warning signal light was not illuminated."

— 2010 DODGE CHALLENGER owner · POWER TRAIN · Filed 07/20/2015

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

1

'09

1

'10

Common Causes on DODGE CHALLENGER

Based on NHTSA complaint component analysis for this vehicle.

ENGINE and ENGINE COOLING,POWER TRAIN 50%

POWER TRAIN 50%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P0730 mean on a DODGE CHALLENGER? ▾

P0730 indicates: Incorrect Gear Ratio. This is a transmission code. 2 DODGE CHALLENGER owners have reported this to NHTSA.

What are the most common causes of P0730 on DODGE CHALLENGER? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Engine And Engine Cooling,Power Train, Power Train. These percentages are based on the component field in owner complaints.

Is P0730 serious on my DODGE CHALLENGER? ▾

Of 2 NHTSA reports for this code on DODGE CHALLENGER, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my DODGE CHALLENGER shows P0730? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

P0730 on Other Vehicles

→ All codes reported on DODGE CHALLENGER