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Federal filingsHome›Trouble codes› P00AF
Diagnostic trouble code

P00AF

6 owner reports and 39 manufacturer filings across 22 model years from Jeep, Nissan, Ram, Volkswagen.

Powertrain Generic OBD-II code 39 manufacturer filings 6 owner reports

Where P00AF shows up

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reportsParts
2018 Volkswagen Golf / GTIEngine5—
2017 Volkswagen Golf / GTIEngine5—
2016 Volkswagen Golf / GTIEngine4—
2021 Jeep WranglerElectrical System21Battery →
2020 Jeep WranglerElectrical System21Battery →
2017 Nissan TitanEquipment Adaptive/Mobility21
2020 Ram 1500Electrical System21Battery →
2021 Jeep GladiatorElectrical System2—Battery →
2016 Nissan Titan XDEngine2—
2023 Volkswagen AtlasEngine2—
2022 Volkswagen AtlasEngine2—
2023 Jeep GladiatorEngine—1
2019 Nissan TitanEngine1—
2018 Nissan TitanEngine1—
2023 Ram 1500Power Train—1
2021 Volkswagen ArteonEngine1—
2020 Volkswagen ArteonEngine1—
2019 Volkswagen ArteonEngine1—
2021 Volkswagen Golf / GTIEngine1—
2024 Volkswagen JettaEngine1—
2023 Volkswagen JettaEngine1—
2022 Volkswagen JettaEngine1—

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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P00AF by make

The same record, one make at a time: the model years, bulletins and owner reports that name P00AF on that maker’s vehicles.

Volkswagen 12

What it gets filed under

Engine 32 Electrical System 6 Power Train 2 Vehicle Speed Control 1 Equipment Adaptive/Mobility 1 Fuel/Propulsion System 1

What owners said

Source: NHTSA complaint database

Owners’ 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.

I investigated the code that was provided by JScan “P00AF” and discovered that numerous owners had experienced the same situation across all lines of vehicles that use the Gen 3 Ecodiesel
2023 Jeep Gladiator Jul 14, 2025 NHTSA owner report
I have pictures of my own OBD2 sensor showing DTC P00AF, indicating turbo actuator or high pressure turbo charger that is specifically detailed in Quality action campaign bulletins issued
2017 Nissan Titan Jan 16, 2024 NHTSA owner report
The engine code that is always present is a P00AF (turbo boost control “A” module performance, I think over boost) and at one time a P0299 (turbo under boost)
2020 Ram 1500 Jun 18, 2023 NHTSA owner report
The following warning appeared and code was registered: Check engine light code P00AF Service Electric Throttle Control stop/start unavailable Service stop start system Acceleration issues after shutting down my engine all the codes…
2021 Jeep Wrangler Jun 20, 2021 NHTSA owner report

39 manufacturer filings name P00AF. 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.

Photo: Compagnons / Unsplash

Manufacturer filings that name it

Source: NHTSA manufacturer communications

Service bulletins and campaigns whose filed summary names P00AF.

What P00AF means

Source: SAE J2012 / OBD-II

P00AF 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.

From here

Common questions about P00AF

Source: NHTSA files and the OBD-II standard

Can I keep driving with P00AF 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.