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Diagnostic trouble code · Ram

P0344 on Ram vehicles

P0344 is named on 16 Ram model years (2016–2019): 34 manufacturer filings and 0 owner reports in NHTSA’s files, across ProMaster, 1500, 2500, 3500, Promaster City.

Powertrain 16 model years 34 manufacturer filings

Which Ram model years name P0344

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2016 Ram ProMasterEngine4—
2019 Ram 1500Engine2—
2018 Ram 1500Engine2—
2018 Ram 2500Engine2—
2018 Ram 3500Engine2—
2018 Ram ProMasterEngine2—
2018 Ram Promaster CityEngine2—
2017 Ram 1500Engine2—
2017 Ram 2500Engine2—
2017 Ram 3500Engine2—
2017 Ram ProMasterEngine2—
2017 Ram Promaster CityEngine2—
2016 Ram 1500Engine2—
2016 Ram 2500Engine2—
2016 Ram 3500Engine2—
2016 Ram Promaster CityEngine2—

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 34
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Ram filings that name P0344

Source: NHTSA manufacturer communications

Bulletins and campaigns Ram filed with NHTSA whose summary names P0344. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What P0344 means

Source: SAE J2012 / OBD-II

P0344 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 Ram 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 P0344 a known problem on Ram vehicles?

It is a documented one: NHTSA's files hold 34 manufacturer filings and 0 owner reports naming P0344 on 16 Ram model years (2016–2019). 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 Ram models does P0344 appear on most?

2016 ProMaster (4 documents), 2019 1500 (2 documents), 2018 1500 (2 documents).

Does P0344 on a Ram 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.