C0040 on Ford vehicles A fault in the right front wheel speed sensor circuit
C0040 is named on 9 Ford model years (2020–2022): 36 manufacturer filings and 0 owner reports in NHTSA’s files, across F-250 Super Duty, F-350 Super Duty, F-450 Super Duty.
Which Ford model years name C0040
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2022 Ford F-250 Super Duty | Power Train | 4 | — |
| 2022 Ford F-350 Super Duty | Power Train | 4 | — |
| 2022 Ford F-450 Super Duty | Power Train | 4 | — |
| 2021 Ford F-250 Super Duty | Power Train | 4 | — |
| 2021 Ford F-350 Super Duty | Power Train | 4 | — |
| 2021 Ford F-450 Super Duty | Power Train | 4 | — |
| 2020 Ford F-250 Super Duty | Power Train | 4 | — |
| 2020 Ford F-350 Super Duty | Power Train | 4 | — |
| 2020 Ford F-450 Super Duty | Power Train | 4 | — |
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 C0040
Source: NHTSA manufacturer communicationsBulletins and campaigns Ford filed with NHTSA whose summary names C0040. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- TSB 22-2044 Service bulletin2022-02-16 · Electrical System
- Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. The vehicle may also have an illuminated anti-lock braking system (ABS) indicator with diagnostic trouble codes (DTCs) C0020 and U3003 in the ABS module. The vehicle may not shift out of park (P) and/o
- SSM 50848 Service bulletin2022-06-14 · Power Train
- Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the vehicle will not shift out of park (P). Diagnostic trouble codes (DTC) C0040 and/or P0504 may also be present. Reference TSB 22-2044 to make sure that no water or corrosion is present in the battery junction box (BJB). If Pinpoint Test A: Brake Shift Interlock in Workshop Manual (WSM), Section 307-05 leads to a concern with cir
- SSM 50864 Service bulletin2022-06-16 · Power Train
- Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the vehicle will not shift out of park (P). Diagnostic trouble codes (DTC) C0040 and/or P0504 may also be present. Reference TSB 22-2044 to make sure that no water or corrosion is present in the battery junction box (BJB). If Pinpoint Test A: Brake Shift Interlock in Workshop Manual (WSM), Section 307-05 leads to a concern with cir
What C0040 means
Source: SAE J2012 / OBD-IIA fault in the right front wheel speed sensor circuit.
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 C0040 a known problem on Ford vehicles?
It is a documented one: NHTSA's files hold 36 manufacturer filings and 0 owner reports naming C0040 on 9 Ford model years (2020–2022). 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 C0040 appear on most?
2022 F-250 Super Duty (4 documents), 2021 F-250 Super Duty (4 documents), 2020 F-250 Super Duty (4 documents).
Does C0040 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.