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Diagnostic trouble code · Infiniti

B2EF0 on Infiniti vehicles

B2EF0 is named on 13 Infiniti model years (2016–2019): 50 manufacturer filings and 0 owner reports in NHTSA’s files, across Q50, Q70, Q60, QX30, QX60 and 1 more.

Body 13 model years 50 manufacturer filings

Which Infiniti model years name B2EF0

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2018 Infiniti Q70Equipment8—
2017 Infiniti Q50Equipment8—
2016 Infiniti Q50Equipment8—
2018 Infiniti QX30Equipment4—
2017 Infiniti Q60Equipment4—
2017 Infiniti QX30Equipment4—
2019 Infiniti Q70Equipment2—
2019 Infiniti QX30Electrical System2—
2018 Infiniti Q50Equipment2—
2018 Infiniti Q60Equipment2—
2018 Infiniti QX60Equipment2—
2018 Infiniti QX80Equipment2—
2017 Infiniti QX60Equipment2—

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.

Equipment 30 Electrical System 20
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Infiniti filings that name B2EF0

Source: NHTSA manufacturer communications

Bulletins and campaigns Infiniti filed with NHTSA whose summary names B2EF0. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What B2EF0 means

Source: SAE J2012 / OBD-II

B2EF0 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 Infiniti 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 B2EF0 a known problem on Infiniti vehicles?

It is a documented one: NHTSA's files hold 50 manufacturer filings and 0 owner reports naming B2EF0 on 13 Infiniti 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 Infiniti models does B2EF0 appear on most?

2017 Q50 (8 documents), 2016 Q50 (8 documents), 2018 Q70 (8 documents).

Does B2EF0 on a Infiniti 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.