P0299 The turbocharger or supercharger is not making the boost the computer asked for
89 owner reports and 1,108 manufacturer filings across 242 model years from Alfa Romeo, Audi, Buick, Cadillac and others.
Where P0299 shows up
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports | Parts |
|---|---|---|---|---|
| 2019 Chevrolet Equinox | Engine | 38 | 2 | |
| 2019 GMC Terrain | Engine | 38 | — | |
| 2018 Chevrolet Equinox | Engine | 31 | 3 | |
| 2018 GMC Terrain | Engine | 31 | — | |
| 2020 GMC Terrain | Engine | 26 | 2 | |
| 2020 Chevrolet Equinox | Engine | 26 | 1 | |
| 2022 GMC Terrain | Engine | 26 | 1 | |
| 2016 Chevrolet Cruze | Engine | 25 | 1 | |
| 2016 Buick Encore | Engine | 19 | 5 | |
| 2018 Buick Encore | Engine | 19 | 2 | |
| 2017 Buick Encore | Engine | 19 | 2 | |
| 2021 GMC Terrain | Engine | 20 | 1 | |
| 2021 Chevrolet Equinox | Engine | 20 | — | |
| 2019 Buick Encore | Engine | 16 | 2 | |
| 2022 Chevrolet Equinox | Engine | 17 | 1 | |
| 2019 Chevrolet Malibu | Engine | 17 | 1 | |
| 2016 Chevrolet Trax | Engine | 16 | 2 | |
| 2018 Chevrolet Trax | Engine | 16 | 1 | |
| 2017 Chevrolet Trax | Engine | 16 | 1 | |
| 2018 Chevrolet Sonic | Engine | 16 | — | |
| 2017 Chevrolet Sonic | Engine | 16 | — | |
| 2016 Chevrolet Sonic | Engine | 16 | — | |
| 2019 Chevrolet Trax | Engine | 11 | 5 | |
| 2020 Buick Encore | Engine | 13 | 2 | |
| 2019 Ram 2500 | Engine | 14 | 1 |
Showing the 25 model years where P0299 appears most; it is on file for 242 in total.
A model year appears here because the code is named in its record, not because every one of these vehicles sets it. Counts are mentions in the federal files, not failure rates — nobody publishes the denominator.
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P0299 by make
The same record, one make at a time: the model years, bulletins and owner reports that name P0299 on that maker’s vehicles.
What it gets filed under
When owners report it
miles, typically
Half of the 14 owner reports naming P0299 that carry an odometer reading fall between 40,000 and 88,000 miles. A code that shows up at 30,000 miles is a different proposition from one that shows up at 130,000, and that difference is the single most useful thing in this record.
What owners said
Source: NHTSA complaint databaseOwners’ own words, one per nameplate, scrubbed of anything identifying. These are unverified reports filed with NHTSA — they are what was said, not a finding that it was true.
Went to another Ford dealership on 10/08/2026 to check Code P0299 that appeared on OBD test and for further inspection due to sluggish acceleration from full stop and slows down going uphill
The diagnostic report reveals a cascading electrical/system collapse: the starter is completely dead (only clicking), and codes P0014 (Exhaust Camshaft Timing) and P0299 (Turbocharger Underboost) were thrown
The vehicle was taken to Auto Zone, where DTC: P0299, P00B7, C0051-86, U1702-86, and C0076-68 were retrieved
The contact contacted another independent mechanic, where the vehicle was diagnosed and DTC: P0299 (Blown head gasket) was retrieved
under warranty until 50k car throws a p0299 code - turbo underboost condition present - coolant migration from a faulty VW/AUDI water pump is sending coolant into vacuum lines causing catastrophic engine issues - car can not be driven
1,108 manufacturer filings name P0299. Start with what the maker wrote down.
A code names the test that failed, not the part. A bulletin that names it is often a diagnosis someone has already written down — quote its number at the service desk.
Manufacturer filings that name it
Source: NHTSA manufacturer communicationsService bulletins and campaigns whose filed summary names P0299.
- TSB_2083163_2 Service bulletin2026-09-18 · Unknown Or Other
- This Pending Service Solution (PSS) requests that technicians create a record in the PSS database when there is an exhaust emissions warning lamp illuminated, DTC P0299 sumptom 34203; V6 TFSI.
- TSB_2083162_2 Service bulletin2026-09-18 · Unknown Or Other
- This Pending Service Solution (PSS) requests that technicians create a record in the PSS database when there is an exhaust emissions warning lamp illuminated, DTC P0299 sumptom 34203; V6 TFSI.
- TSB_2083163_1 Service bulletin2026-09-02 · Unknown Or Other
- This Pending Service Solution (PSS) requests that technicians create a record in the PSS database when there is an exhaust emissions warning lamp illuminated, DTC P0299 sumptom 34203; V6 TFSI.
- PIP6130 Service bulletin2026-08-11 · Unknown Or Other
- This document assists dealer technician's with diagnosing a MIL P0299.
- PIP5927E Service bulletin2026-05-19 · Unknown Or Other
- This Preliminary information communicates the possibility of reduced power with dtc P0237 and/or p0299 due to damaged Charge Air Inlet Pipe connection at Turbocharger.
- PIP6112 Service bulletin2026-05-04 · Unknown Or Other
- This Preliminary information communicates to the technician the diagnostic direction necessary to address MIL illumination with DTCs P0121, P0299, P1101 or P00C7.
What P0299 means
Source: SAE J2012 / OBD-IIThe turbocharger or supercharger is not making the boost the computer asked for.
A stored code names the test that failed, never the part that caused it. It is the starting point of a diagnosis, not its conclusion — the same code has several possible causes and the cheap one is not always right.
Common questions about P0299
Source: NHTSA files and the OBD-II standardCan I keep driving with P0299 stored?
Nobody can answer that from the code alone, and a site that does is guessing. A steady light means a fault was logged and the car should be checked soon; a flashing light means a severe misfire — slow down and get it seen as soon as possible, because severe misfire can quickly damage the catalytic converter. The safe read of this page is the mileage and the components, not permission.
Does a code mean the car is recalled?
No. Recalls are filed by campaign and matched by VIN, and none of them are triggered by a scan tool. If you want to know whether an open recall applies to one specific vehicle, check the VIN at nhtsa.gov/recalls — that is the only source that settles it.
Why do the counts here differ from other sites?
Because these are not estimates. Every number on this page is a count of documents in NHTSA's own files: manufacturer communications that name the code in their filed summary, and owner complaints that name it in the narrative. We do not model, weight or extrapolate them.
Will clearing the code fix it?
Clearing turns the light off and erases the freeze-frame data a technician would have used to work out what happened. If the condition is still there the code returns, usually within a few drive cycles, and the diagnosis now starts from less information than before.