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Diagnostic trouble code · Toyota

B15FE on Toyota vehicles

B15FE is named on 25 Toyota model years (2018–2021): 65 manufacturer filings and 0 owner reports in NHTSA’s files, across RAV4, Sienna, Prius, Prius Prime, Corolla and 8 more.

Body 25 model years 65 manufacturer filings

Which Toyota model years name B15FE

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2019 Toyota RAV4Equipment7—
2019 Toyota SiennaEquipment7—
2020 Toyota PriusEquipment6—
2020 Toyota Prius PrimeEquipment6—
2018 Toyota SiennaEquipment6—
2020 Toyota SiennaBack Over Prevention5—
2021 Toyota CorollaEquipment3—
2021 Toyota AvalonEquipment Adaptive/Mobility2—
2021 Toyota CamryEquipment Adaptive/Mobility2—
2021 Toyota HighlanderElectrical System2—
2021 Toyota RAV4Equipment Adaptive/Mobility2—
2020 Toyota CamryEquipment Adaptive/Mobility2—
2020 Toyota HighlanderEquipment2—
2020 Toyota RAV4Equipment Adaptive/Mobility2—
2021 Toyota 4RunnerEquipment1—
2021 Toyota C-HREquipment Adaptive/Mobility1—
2021 Toyota PriusEquipment1—
2021 Toyota RAV4 PrimeEquipment1—
2021 Toyota TacomaEquipment1—
2021 Toyota TundraEquipment Adaptive/Mobility1—
2020 Toyota 4RunnerEquipment Adaptive/Mobility1—
2020 Toyota C-HRElectrical System1—
2020 Toyota CorollaElectrical System1—
2020 Toyota TacomaEquipment1—
2020 Toyota TundraEquipment Adaptive/Mobility1—

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 Back Over Prevention 14 Equipment Adaptive/Mobility 13 Electrical System 4
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Toyota filings that name B15FE

Source: NHTSA manufacturer communications

Bulletins and campaigns Toyota filed with NHTSA whose summary names B15FE. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What B15FE means

Source: SAE J2012 / OBD-II

B15FE is a manufacturer-specific code: the second character is a 1, which under the OBD-II standard hands the definition to whoever built the vehicle. The same code can mean one thing on a Ford and something unrelated on a Hyundai. Any site that prints a single definition for it is guessing.

A stored code names the test that failed, never the part that caused it. The record above is what Toyota 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 B15FE a known problem on Toyota vehicles?

It is a documented one: NHTSA's files hold 65 manufacturer filings and 0 owner reports naming B15FE on 25 Toyota model years (2018–2021). 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 Toyota models does B15FE appear on most?

2019 RAV4 (7 documents), 2019 Sienna (7 documents), 2020 Prius (6 documents).

Does B15FE on a Toyota 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.