P0299 on VOLKSWAGEN JETTA — Turbocharger/Supercharger A Underboost Condition

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

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

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

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

Q: "Is P0299 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 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 JETTA

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 JETTA owners have reported this issue to NHTSA across model years 2009-2014. Most reports come from the 2009, 2014 model years. The most commonly reported component is Engine And Engine Cooling (50.0% of reports).

Real VOLKSWAGEN JETTA Owner Reports

Source: NHTSA Complaints Database

"We were traveling in branson, mo. from our home in east texas when there was what sounded like a single muffled pop from the engine compartment. the glow plug lamp started blinking and the check engine light came on and i think it was blinking also. at the time i was traveling about 30 mph."

— 2009 VOLKSWAGEN JETTA owner · ENGINE AND ENGINE COOLING · Filed 12/04/2009

"I purchased my car in mid-feb 2014 and it performed flawlessly the winter of 2014. i started my car on monday jan 5 (oat +5f) let it idle for a minute and drove 35 mi to work on the highway (rpm >2500), i don't have a temp gauge, but my car did not seem to warm up like normal."

— 2014 VOLKSWAGEN JETTA owner · ENGINE,FUEL/PROPULSION SYSTEM · Filed 01/08/2015

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

📊 Complaint Trend by Model Year

1

'09

1

'14

Common Causes on VOLKSWAGEN JETTA

Based on NHTSA complaint component analysis for this vehicle.

ENGINE and ENGINE COOLING 50%

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 JETTA? ▾

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

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

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

Is P0299 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 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.