P0401 on Ford vehicles Not enough exhaust gas is being recirculated
P0401 is named on 11 Ford model years (2017–2024): 29 manufacturer filings and 0 owner reports in NHTSA’s files, across F-250 Super Duty, F-350 Super Duty, F-450 Super Duty, Edge, Escape.
Which Ford model years name P0401
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2019 Ford F-250 Super Duty | Engine | 3 | — |
| 2019 Ford F-350 Super Duty | Power Train | 3 | — |
| 2019 Ford F-450 Super Duty | Power Train | 3 | — |
| 2018 Ford F-250 Super Duty | Engine | 3 | — |
| 2018 Ford F-350 Super Duty | Engine | 3 | — |
| 2018 Ford F-450 Super Duty | Engine | 3 | — |
| 2017 Ford F-250 Super Duty | Power Train | 3 | — |
| 2017 Ford F-350 Super Duty | Engine | 3 | — |
| 2017 Ford F-450 Super Duty | Power Train | 3 | — |
| 2024 Ford Edge | Engine | 1 | — |
| 2019 Ford Escape | Engine | 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 P0401
Source: NHTSA manufacturer communicationsBulletins and campaigns Ford filed with NHTSA whose summary names P0401. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- TSB19-2160 Service bulletin2019-05-22 · Engine And Engine Cooling
- Some 2017-2019 F-Super Duty vehicles equipped with a 6.7L engine built on or before 9-Jan-2019 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2074, P0401, P0402 and/or P0170. This may be due to various strategies within the powertrain control module (PCM) software. To resolve this condition, follow the Service Procedure steps to reprogram the PCM
- TSB 19-2271 Service bulletin2019-09-06 · Engine And Engine Cooling
- Some 2017-2019 F-Super Duty vehicles equipped with a 6.7L engine built on or before 9-Jan-2019 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2074, P0401, P0402 and/or P0170. This may be due to various strategies within the powertrain control module (PCM) software. To resolve this condition, follow the Service Procedure steps to reprogram the PCM
- TSB 19-2343 Service bulletin2019-11-18 · Power Train
- This message is superseding TSB 19-2271 to update the Issue, Action and Service Procedure. Some 2017-2018 F-Super Duty and 2019 F-Super Duty F-450/F-550 Chassis Cab only vehicles equipped with a 6.7L engine built on or before 9-Jan-2019 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2074, P0401, P0402 and/or P0170. This may be due to various strat
- TSB 24-2263 Service bulletin2024-08-27 · Engine
- Some 2024 Edge and 2023 Nautilus vehicles built on 28-Aug-2023 and through 02-Apr-2024 equipped with a 2.0L EcoBoost engine may experience an illuminated malfunction indicator (MIL) with diagnostic trouble codes (DTCs) P0401 or P2457. Various engine cooling system symptoms which may include an internal/external leak, white smoke from the tailpipe, and/or over-temperature warnings may also be prese
- SSM 48345 Service bulletin2019-11-22 · Engine And Engine Cooling
- Some 2019-2020 Edge/Escape/Nautilus/Corsair vehicles equipped with 2.0L EcoBoost engines may exhibit low coolant, white smoke from the tailpipe, an over temperature warning in the instrument panel cluster (IPC), external coolant leaking, and/or illuminated MIL with DTCs P0217, P0401, P1026, P1285, P1299, P2196 or P2467 stored in the PCM. This may be due to an EGR Cooler that is leaking coolant int
What P0401 means
Source: SAE J2012 / OBD-IINot enough exhaust gas is being recirculated.
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 P0401 a known problem on Ford vehicles?
It is a documented one: NHTSA's files hold 29 manufacturer filings and 0 owner reports naming P0401 on 11 Ford model years (2017–2024). 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 P0401 appear on most?
2019 F-250 Super Duty (3 documents), 2018 F-250 Super Duty (3 documents), 2017 F-250 Super Duty (3 documents).
Does P0401 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.