P0299 on VOLKSWAGEN PASSAT — Turbocharger/Supercharger A Underboost Condition

Q: "What does P0299 mean on a VOLKSWAGEN PASSAT?"

"P0299 indicates: Turbocharger/Supercharger A Underboost Condition. This is a fuel injection code. 2 VOLKSWAGEN PASSAT owners have reported this to NHTSA."

Q: "What are the most common causes of P0299 on VOLKSWAGEN PASSAT?"

"Based on 2 NHTSA reports, the most commonly cited components are: Fuel System, Gasoline,Power Train,Electrical System,Latches/Locks/Linkages,Vehicle Speed Control,Equipment, Power Train,Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints."

Q: "Is P0299 serious on my VOLKSWAGEN PASSAT?"

"Of 2 NHTSA reports for this code on VOLKSWAGEN PASSAT, 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 PASSAT shows P0299?"

"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 P0299 Means on Your VOLKSWAGEN PASSAT

P0299 is a diagnostic trouble code indicating: Turbocharger/Supercharger A Underboost Condition. This code relates to the fuel injection system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 VOLKSWAGEN PASSAT owners have reported this issue to NHTSA across model years 2006-2014. Most reports come from the 2006, 2014 model years. The most commonly reported component is Fuel System, Gasoline,Power Train,Electrical System,Latches/Locks/Linkages,Vehicle Speed Control,Equipment (50.0% of reports).

Real VOLKSWAGEN PASSAT Owner Reports

Source: NHTSA Complaints Database

"Check engine (mil) light turned on, car all of a sudden idles at a higher rpm while we were driving!!! vehicle was taken into the dealership."

— 2006 VOLKSWAGEN PASSAT owner · FUEL SYSTEM, GASOLINE,POWER TRAIN,ELECTRICAL SYSTEM,LATCHES/LOCKS/LINKAGES,VEHICLE SPEED CONTROL,EQUIPMENT · Filed 07/20/2011

"2014 vw passat tdi se 2.0l manual my vehicle has 62,583 mi. on it. i was driving on the highway when the diesel "glow plug" light began flashing on the dashboard and i lost all engine power."

— 2014 VOLKSWAGEN PASSAT owner · POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM · Filed 07/21/2017

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

📊 Complaint Trend by Model Year

1

'06

1

'14

Common Causes on VOLKSWAGEN PASSAT

Based on NHTSA complaint component analysis for this vehicle.

FUEL SYSTEM, GASOLINE,POWER TRAIN,ELECTRICAL SYSTEM,LATCHES/LOCKS/LINKAGES,VEHICLE SPEED CONTROL,EQUIPMENT 50%

POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM 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 P0299 mean on a VOLKSWAGEN PASSAT? ▾

P0299 indicates: Turbocharger/Supercharger A Underboost Condition. This is a fuel injection code. 2 VOLKSWAGEN PASSAT owners have reported this to NHTSA.

What are the most common causes of P0299 on VOLKSWAGEN PASSAT? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Fuel System, Gasoline,Power Train,Electrical System,Latches/Locks/Linkages,Vehicle Speed Control,Equipment, Power Train,Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints.

Is P0299 serious on my VOLKSWAGEN PASSAT? ▾

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

What should I do if my VOLKSWAGEN PASSAT shows P0299? ▾

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.