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Diagnostic trouble code · Volkswagen

P02D4 on Volkswagen vehicles

P02D4 is named on 11 Volkswagen model years (2016–2020): 115 manufacturer filings and 0 owner reports in NHTSA’s files, across Golf / GTI, Atlas, Jetta, Passat, Tiguan.

Powertrain 11 model years 115 manufacturer filings

Which Volkswagen model years name P02D4

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2019 Volkswagen Golf / GTIEngine25—
2020 Volkswagen Golf / GTIEngine11—
2020 Volkswagen JettaEngine10—
2020 Volkswagen PassatEngine10—
2019 Volkswagen JettaEquipment10—
2019 Volkswagen PassatEngine10—
2019 Volkswagen TiguanEquipment10—
2018 Volkswagen AtlasEngine10—
2020 Volkswagen TiguanEngine9—
2019 Volkswagen AtlasEquipment9—
2016 Volkswagen JettaEngine1—

A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.

Engine 44 Equipment 36 Exterior Lighting 24
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Volkswagen filings that name P02D4

Source: NHTSA manufacturer communications

Bulletins and campaigns Volkswagen filed with NHTSA whose summary names P02D4. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What P02D4 means

Source: SAE J2012 / OBD-II

P02D4 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. The record above is what Volkswagen and its owners have filed about it; the code’s page across every make has the whole file.

From here

Common questions

Source: NHTSA files and the OBD-II standard

Is P02D4 a known problem on Volkswagen vehicles?

It is a documented one: NHTSA's files hold 115 manufacturer filings and 0 owner reports naming P02D4 on 11 Volkswagen model years (2016–2020). Whether it is a problem on one particular car is a diagnosis, not a count — but a bulletin that names the code on your model year is the place to start.

Which Volkswagen models does P02D4 appear on most?

2019 Golf / GTI (25 documents), 2020 Golf / GTI (11 documents), 2018 Atlas (10 documents).

Does P02D4 on a Volkswagen mean it is recalled?

No. Recalls are filed by campaign and matched by VIN; no recall is triggered by a scan tool. Check the VIN at nhtsa.gov/recalls, or open the model year's page here for the campaigns filed against it.