P0234 on Ford vehicles The turbocharger or supercharger is making more boost than the computer asked for
P0234 is named on 7 Ford model years (2016–2022): 19 manufacturer filings and 0 owner reports in NHTSA’s files, across F-250 Super Duty, F-350 Super Duty, F-450 Super Duty, Fiesta.
Which Ford model years name P0234
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2022 Ford F-250 Super Duty | Equipment | 3 | — |
| 2022 Ford F-350 Super Duty | Power Train | 3 | — |
| 2022 Ford F-450 Super Duty | Power Train | 3 | — |
| 2021 Ford F-250 Super Duty | Engine | 3 | — |
| 2021 Ford F-350 Super Duty | Engine | 3 | — |
| 2021 Ford F-450 Super Duty | Engine | 3 | — |
| 2016 Ford Fiesta | Power Train | 1 | — |
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.
Ford filings that name P0234
Source: NHTSA manufacturer communicationsBulletins and campaigns Ford filed with NHTSA whose summary names P0234. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- SSM 50564 Service bulletin2022-03-07 · Equipment — Other — Owners/Service/Other Manual
- Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL), lack of power, and/or excessive turbo noise during operation, with diagnostic trouble codes (DTC) P003A, P0045, P0046, P0047, P0048, P0234, P0237, P0238, P132A, P2564, P2565, P2598, P259E, and/or P259F stored in the powertrain control module. If Workshop Manual (WSM) diagno
- SSM 51150 Service bulletin2022-10-25 · Engine And Engine Cooling
- Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL), lack of power, and/or excessive turbo noise during operation, with diagnostic trouble codes (DTC) P003A, P0045, P0046, P0047, P0048, P0234, P0237, P0238, P132A, P2564, P2565, P2598, P259E, and/or P259F stored in the powertrain control module. If Workshop Manual (WSM) diagno
- SSM 53328 Service bulletin2025-01-24 · Unknown Or Other
- Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL), lack of power, and/or excessive turbo noise during operation, with diagnostic trouble codes (DTC) P003A, P0045, P0046, P0047, P0048, P0234, P0237, P0238, P0299, P132A, P226C, P2263, P2564, P2565, P2598, P259E, and/or P259F stored in the powertrain control module.
- TSB150162 Service bulletin2015-10-21 · Power Train
- 1.6L GTDI - Lack of power with MIL Illuminated - DTCS P0234, P0245, P0246 And/Or P0299. Some 2013-2016 Escape 2014-2016 Fiesta ST, and 2013-2014 Fusion vehicles equipped with a 1.6L Gasoline Turbocharged Direct Injection (GTDI) engine may exhibit a lack of power concern with malfunction indicator lamp (MIL) illuminated and diagnostic trouble codes (DTCs) P0234, P0245, P0246 and/or P0299 stored in
What P0234 means
Source: SAE J2012 / OBD-IIThe turbocharger or supercharger is making more boost than the computer asked for.
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.
Common questions
Source: NHTSA files and the OBD-II standardIs P0234 a known problem on Ford vehicles?
It is a documented one: NHTSA's files hold 19 manufacturer filings and 0 owner reports naming P0234 on 7 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 P0234 appear on most?
2022 F-250 Super Duty (3 documents), 2021 F-250 Super Duty (3 documents), 2022 F-350 Super Duty (3 documents).
Does P0234 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.