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Diagnostic trouble code · Ford

P2122 on Ford vehicles

P2122 is named on 7 Ford model years (2024–2026): 10 manufacturer filings and 0 owner reports in NHTSA’s files, across F-250 Super Duty, F-350 Super Duty, F-450 Super Duty, Bronco, Ranger.

Powertrain 7 model years 10 manufacturer filings

Which Ford model years name P2122

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2024 Ford F-250 Super DutyEngine2—
2024 Ford F-350 Super DutyEngine2—
2024 Ford F-450 Super DutyEngine2—
2026 Ford BroncoElectrical System1—
2026 Ford RangerPower Train1—
2025 Ford BroncoElectrical System1—
2025 Ford RangerElectrical 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.

Engine 3 Not specified 3 Electrical System 3 Power Train 1
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Ford filings that name P2122

Source: NHTSA manufacturer communications

Bulletins and campaigns Ford filed with NHTSA whose summary names P2122. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What P2122 means

Source: SAE J2012 / OBD-II

P2122 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 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 P2122 a known problem on Ford vehicles?

It is a documented one: NHTSA's files hold 10 manufacturer filings and 0 owner reports naming P2122 on 7 Ford model years (2024–2026). 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 P2122 appear on most?

2024 F-250 Super Duty (2 documents), 2024 F-350 Super Duty (2 documents), 2024 F-450 Super Duty (2 documents).

Does P2122 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.