P0430 on NISSAN PATHFINDER — Catalyst System Efficiency Below Threshold Bank 2

Q: "What does P0430 mean on a NISSAN PATHFINDER?"

"P0430 indicates: Catalyst System Efficiency Below Threshold Bank 2. This is a emission controls code. 2 NISSAN PATHFINDER owners have reported this to NHTSA."

Q: "What are the most common causes of P0430 on NISSAN PATHFINDER?"

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

Q: "Is P0430 serious on my NISSAN PATHFINDER?"

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

Q: "What should I do if my NISSAN PATHFINDER shows P0430?"

"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 P0430 Means on Your NISSAN PATHFINDER

P0430 is a diagnostic trouble code indicating: Catalyst System Efficiency Below Threshold Bank 2. This code relates to the emission controls system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 NISSAN PATHFINDER owners have reported this issue to NHTSA across model years 2005-2018. Most reports come from the 2005, 2018 model years. The most commonly reported component is Power Train,Engine (50.0% of reports).

Real NISSAN PATHFINDER Owner Reports

Source: NHTSA Complaints Database

"The issues with the vehicle began at 133834 miles. when driving, at times it would vibrate out of nowhere. after a stop, it would shift up hard or fail to downshift and then hit hard when it finally would go in to gear."

— 2005 NISSAN PATHFINDER owner · POWER TRAIN,ENGINE · Filed 10/05/2017

"The engine began to fail because of a lack of adequate breathability into the crankcase, causing high crankcase pressure, excessive oil blowby, severe exhaust smoke, severe engine sludge, severe engine shuddering, and lack of response to the power steering because of engine power loss."

— 2018 NISSAN PATHFINDER owner · STEERING,ENGINE · Filed 11/03/2024

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

📊 Complaint Trend by Model Year

1

'05

1

'18

Common Causes on NISSAN PATHFINDER

Based on NHTSA complaint component analysis for this vehicle.

POWER TRAIN,ENGINE 50%

STEERING,ENGINE 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 P0430 mean on a NISSAN PATHFINDER? ▾

P0430 indicates: Catalyst System Efficiency Below Threshold Bank 2. This is a emission controls code. 2 NISSAN PATHFINDER owners have reported this to NHTSA.

What are the most common causes of P0430 on NISSAN PATHFINDER? ▾

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

Is P0430 serious on my NISSAN PATHFINDER? ▾

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

What should I do if my NISSAN PATHFINDER shows P0430? ▾

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.