P2431 on VOLKSWAGEN JETTA — AIR System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1

Q: "What does P2431 mean on a VOLKSWAGEN JETTA?"

"P2431 indicates: AIR System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1. This is a powertrain code. 2 VOLKSWAGEN JETTA owners have reported this to NHTSA."

Q: "What are the most common causes of P2431 on VOLKSWAGEN JETTA?"

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

Q: "Is P2431 serious on my VOLKSWAGEN JETTA?"

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

Q: "What should I do if my VOLKSWAGEN JETTA shows P2431?"

"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 P2431 Means on Your VOLKSWAGEN JETTA

P2431 is a diagnostic trouble code indicating: AIR System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 VOLKSWAGEN JETTA 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 (50.0% of reports).

Real VOLKSWAGEN JETTA Owner Reports

Source: NHTSA Complaints Database

"While driving on the highway, the check engine light came on and the car began slowing itself down. when i tried to accelerate the engine revved and the rpm indicator went up but the car would not speed up past 45 mph and the steering wheel shook very hard the rest of the way."

— 2009 VOLKSWAGEN JETTA owner · ENGINE · Filed 05/01/2015

"During second vw dealer service at approximately 9,000 miles , check-engine light went on during the process, tech read code as a failure in a secondary air-flow sensor, part was replace and the light was off."

— 2010 VOLKSWAGEN JETTA owner · ENGINE AND ENGINE COOLING · Filed 06/15/2011

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 VOLKSWAGEN JETTA

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 50%

ENGINE and ENGINE COOLING 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 P2431 mean on a VOLKSWAGEN JETTA? ▾

P2431 indicates: AIR System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1. This is a powertrain code. 2 VOLKSWAGEN JETTA owners have reported this to NHTSA.

What are the most common causes of P2431 on VOLKSWAGEN JETTA? ▾

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

Is P2431 serious on my VOLKSWAGEN JETTA? ▾

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

What should I do if my VOLKSWAGEN JETTA shows P2431? ▾

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.

P2431 on Other Vehicles

→ All codes reported on VOLKSWAGEN JETTA