P050A
6 owner reports and 18 manufacturer filings across 6 model years from Audi, Hyundai, Kia, Mitsubishi.
Where P050A shows up
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports | Parts |
|---|---|---|---|---|
| 2016 Kia Soul | Engine | 2 | 5 | |
| 2025 Audi Q5 | Engine | 6 | — | |
| 2026 Mitsubishi Outlander | Engine | 5 | — | |
| 2025 Audi A5 | Engine | 3 | — | |
| 2019 Hyundai Sonata | Engine | 2 | — | |
| 2019 Hyundai Tucson | Engine | — | 1 |
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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What it gets filed under
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.
The vehicle was then taken to Firestone, where diagnostic trouble codes P0420, P000A, and P050A were retrieved
Sometimes it will set off the MIL with the code P050A when this happens

18 manufacturer filings name P050A. 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 P050A.
- TSB_2079927_3 Service bulletin2026-09-30 · Engine
- This bulletin provides information when the exhaust emissions warning lamp lights up; DTC P050A; 2.0 ltr 4-cyl.
- SC-26-001 Service campaign2026-07-07 · Engine
- This Service Campaign Bulletin sent to dealers provides instructions to reflash the ECU to address fault code P0128-00, and effective 6/26/2026, fault codes P2096-00 and P050A as well.
- TSB-26-13-002 Service bulletin2026-06-25 · Fuel/Propulsion System
- This revised Technical Service Bulletin provides guidance when the check engine light is on with P050A stored in the Engine ECU.
- TSB-26-13-002 Service bulletin2026-04-15 · Fuel/Propulsion System
- This Technical Service Bulletin provides guidance when the check engine light is on with P050A stored in the Engine ECU.
- TSB_2079927_2 Service bulletin2025-12-19 · Engine
- This bulletin provides a software update when the exhaust emissions warning lamplights up - DTC P050A; 2.0 ltr. 4-cyl. TFSI.
- TSB_2079927_1 Service bulletin2025-11-10 · Engine
- This bulletin provides a software update when the exhaust emissions warning lamplights up - DTC P050A; 2.0 ltr. 4-cyl. TFSI.
What P050A means
Source: SAE J2012 / OBD-IIP050A sits in the generic range of the OBD-II standard, so it means the same thing on every vehicle sold in the United States — but WhichTrim does not carry a definition for it and will not invent one. What is on this page is the record: who named it and on what.
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 P050A
Source: NHTSA files and the OBD-II standardCan I keep driving with P050A 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.