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Diagnostic trouble code · Ford

B108E on Ford vehicles

B108E is named on 15 Ford model years (2016–2022): 28 manufacturer filings and 0 owner reports in NHTSA’s files, across Focus, C-MAX, Edge, Escape, Expedition and 8 more.

Body 15 model years 28 manufacturer filings

Which Ford model years name B108E

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2016 Ford FocusEquipment3—
2022 Ford Mustang Mach-EElectrical System2—
2021 Ford Mustang Mach-EElectrical System2—
2016 Ford C-MAXEquipment2—
2016 Ford EdgeEquipment2—
2016 Ford EscapeEquipment2—
2016 Ford ExpeditionEquipment2—
2016 Ford FiestaEquipment2—
2016 Ford FlexEquipment2—
2016 Ford MustangEquipment2—
2016 Ford TaurusEquipment2—
2016 Ford TransitEquipment2—
2017 Ford EdgeEngine1—
2017 Ford ExplorerElectrical System1—
2017 Ford Transit ConnectElectrical System1—

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 13 Electrical System 11 Engine 4
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Ford filings that name B108E

Source: NHTSA manufacturer communications

Bulletins and campaigns Ford filed with NHTSA whose summary names B108E. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What B108E means

Source: SAE J2012 / OBD-II

B108E 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 Ford 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 B108E a known problem on Ford vehicles?

It is a documented one: NHTSA's files hold 28 manufacturer filings and 0 owner reports naming B108E on 15 Ford model years (2016–2022). 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 Ford models does B108E appear on most?

2016 Focus (3 documents), 2016 C-MAX (2 documents), 2016 Edge (2 documents).

Does B108E on a Ford 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.