P2128
2 owner reports and 9 manufacturer filings across 8 model years from Ford, Infiniti.
Where P2128 shows up
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports | Parts |
|---|---|---|---|---|
| 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 | — | Battery → |
| 2025 Ford F-150 | Electrical System | — | 1 | Battery → |
| 2026 Ford Ranger | Electrical System | 1 | — | Battery → |
| 2025 Ford Ranger | Electrical System | 1 | — | Battery → |
| 2018 Infiniti QX30 | Fuel/Propulsion System | — | 1 | Fuel pump → |
A model year appears here because the code is named in its record, not because every one of these vehicles sets it. Counts are mentions in the federal files, not failure rates — nobody publishes the denominator.
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P2128 by make
The same record, one make at a time: the model years, bulletins and owner reports that name P2128 on that maker’s vehicles.
What it gets filed under
What owners said
Source: NHTSA complaint databaseOwners’ own words, one per nameplate, scrubbed of anything identifying. These are unverified reports filed with NHTSA — they are 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)
9 manufacturer filings name P2128. Start with what the maker wrote down.
A code names the test that failed, not the part. A bulletin that names it is often a diagnosis someone has already written down — quote its number at the service desk.
Manufacturer filings that name it
Source: NHTSA manufacturer communicationsService bulletins and campaigns whose filed summary names P2128.
- 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
- 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 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
What P2128 means
Source: SAE J2012 / OBD-IIP2128 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. It is the starting point of a diagnosis, not its conclusion — the same code has several possible causes and the cheap one is not always right.
Common questions about P2128
Source: NHTSA files and the OBD-II standardCan I keep driving with P2128 stored?
Nobody can answer that from the code alone, and a site that does is guessing. A steady light means a fault was logged and the car should be checked soon; a flashing light means a severe misfire — slow down and get it seen as soon as possible, because severe misfire can quickly damage the catalytic converter. The safe read of this page is the mileage and the components, not permission.
Does a code mean the car is recalled?
No. Recalls are filed by campaign and matched by VIN, and none of them are triggered by a scan tool. If you want to know whether an open recall applies to one specific vehicle, check the VIN at nhtsa.gov/recalls — that is the only source that settles it.
Why do the counts here differ from other sites?
Because these are not estimates. Every number on this page is a count of documents in NHTSA's own files: manufacturer communications that name the code in their filed summary, and owner complaints that name it in the narrative. We do not model, weight or extrapolate them.
Will clearing the code fix it?
Clearing turns the light off and erases the freeze-frame data a technician would have used to work out what happened. If the condition is still there the code returns, usually within a few drive cycles, and the diagnosis now starts from less information than before.