U2402
0 owner reports and 7 manufacturer filings across 2 model years from Ford.
Where U2402 shows up
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2023 Ford Bronco | Electrical System | 4 | — |
| 2023 Ford F-150 Lightning | Back Over Prevention | 3 | — |
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.
What it gets filed under
Manufacturer filings that name it
Source: NHTSA manufacturer communicationsService bulletins and campaigns whose filed summary names U2402. Quoting the document number at a service desk is often the fastest route to a diagnosis someone has already written down.
- TSB 23-21082023-03-31 · Back Over Prevention — Software
- Some 2023 Bronco vehicles built on or before 16-Mar-2023 may experience an inoperative FordPass application, inoperative remote start and/or inoperative remote lock and unlock that may be combined with diagnostic trouble codes (DTC) U0146:09 stored in the telematics control unit (TCU) and U2402:00 and/or U2402:92 stored in the gateway module (GWM). This may be due to the software level in the GWM.
- 23B212023-03-29 · Equipment — Electrical
- Certain 2023 Model Year F-150 Lightning Gateway Module Programing In all of the affected vehicles, the Gateway Module (GWM) may lose internet connection. This may cause the vehicle to experience an inoperative FordPass application (inability to review the vehicle's state of charge, inoperative remote start and/or inoperative remote lock and unlock). This may be combined with diagnostic trouble co
- TSB 23-21042023-03-29 · Back Over Prevention — Software
- Some 2023 F-150 Lightning vehicles built on or before 22-Dec-2022 and 2023 F-150 vehicles built on or before 28-Feb-2023 at Kansas City Assembly Plant or built on or before 07-Mar-2023 at Dearborn Truck Plant may experience an inoperative FordPass application, inoperative remote start and/or inoperative remote lock and unlock that may be combined with diagnostic trouble codes (DTC) U0146:09 stored
- SSM 514312023-03-10 · Electrical System — Starter Assembly
- Some 2023 F-150 vehicles built on or before 28-Feb-2023 at Kansas City Assembly Plant or 07-Mar-2023 at Dearborn Truck Plant, 2023 F-150 Lightning vehicles built on or before 13-Dec-2022, and 2023 Bronco vehicles may experience inoperative remote start and/or remote lock and unlock through FordPass. Diagnostic trouble codes (DTCs) U0146:09 may be stored in the telematics control unit (TCU), and U2
- SSM 513892023-02-27 · Electrical System — Ignition — Anti-Theft — Immobilizer/Proximity — Key/Sender
- Some 2023 F-150/Bronco customers may experience inoperative remote start and/or remote lock and unlock through the FordPass application. Diagnostic trouble codes (DTCs) U0146:09 may be stored in the telematics control unit (TCU), and U2402:00 and/or U2402:92 may be stored in the gateway module (GWM). Inform the customer they can continue to drive the vehicle. A solution is planned for deployment v
What U2402 means
Source: SAE J2012 / OBD-IIU2402 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 U2402
Source: NHTSA files and the OBD-II standardCan I keep driving with U2402 stored?
Nobody can answer that from the code alone, and a site that does is guessing. A steady light generally means the fault was logged and the vehicle is in a reduced-risk mode; a flashing light means stop soon, because a misfiring engine can destroy a catalytic converter in minutes. 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.