P2138 on Ford vehicles The two accelerator pedal position sensors disagree with each other
P2138 is named on 7 Ford model years (2024–2026): 9 manufacturer filings and 1 owner report in NHTSA’s files, across F-250 Super Duty, F-350 Super Duty, F-450 Super Duty, Bronco, F-150 and 1 more.
Which Ford model years name P2138
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2024 Ford F-250 Super Duty | Engine | 2 | — |
| 2024 Ford F-350 Super Duty | Engine | 2 | — |
| 2024 Ford F-450 Super Duty | Engine | 2 | — |
| 2026 Ford Bronco | Electrical System | 1 | — |
| 2026 Ford Ranger | Power Train | 1 | — |
| 2025 Ford F-150 | Electrical System | — | 1 |
| 2025 Ford Ranger | Electrical System | 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.
What Ford owners said
Source: NHTSA complaint databaseOwners’ own words, scrubbed of anything identifying. Unverified reports filed with NHTSA — what was said, not a finding that it was true.
The repairing Ford dealership, diagnosed a factory-born "OPEN" in the main wiring harness (#14A005) behind the dash (DTCs P2128/P2138)
Ford filings that name P2138
Source: NHTSA manufacturer communicationsBulletins and campaigns Ford filed with NHTSA whose summary names P2138. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- SSM 52420 Service bulletin2024-04-05 · Engine And Engine Cooling
- Some 2023-2024 F-Super Duty vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTC) P2122, P2123, P2127, P2128, and/or P2138 stored in the powertrain control module (PCM). The vehicle may or may not exhibit a perceived lack of power intermittently. Perform a wiggle test of connector C1580 at the left rear of the engine compartment while the
- SSM 53375 Service bulletin2025-02-12 · Unknown Or Other
- Some 2023-2025 F-Super Duty vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTC) P2122, P2123, P2127, P2128, and/or P2138 stored in the powertrain control module (PCM).
- SSM 55044 Service bulletin2026-07-27 · Electrical System
- Some 2025-2026 Bronco/Ranger vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTC) P2122, P2123, P2127, P2128, and/or P2138 stored in the powertrain control module (PCM). The vehicle may or may not exhibit a perceived lack of power intermittently. This may be due to an issue with the following connectors associated with the accelerator pe
What P2138 means
Source: SAE J2012 / OBD-IIThe two accelerator pedal position sensors disagree with each other.
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 P2138 a known problem on Ford vehicles?
It is a documented one: NHTSA's files hold 9 manufacturer filings and 1 owner report naming P2138 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 P2138 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 P2138 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.