Ford U200D
15, U200E:15, U200F:15, B15**:31, B15**:49 and/or B15A5:56 stored in the remote function actuator (RFA) module. If the vehicle is exhibitin
Quick answer
For applicable Ford Mustang Mach-E vehicles equipped with Phone-as-a-Key, U200D:15 may be stored in the remote function actuator (RFA) module in connection with Phone-as-a-Key concerns. Ford/NHTSA manufacturer communications also identify companion codes U200E:15, U200F:15, B15**:31, B15**:49, and/or B15A5:56 in this context.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does U200D mean?
For applicable Ford Mustang Mach-E vehicles equipped with Phone-as-a-Key, U200D:15 may be stored in the remote function actuator (RFA) module in connection with Phone-as-a-Key concerns. Ford/NHTSA manufacturer communications also identify companion codes U200E:15, U200F:15, B15**:31, B15**:49, and/or B15A5:56 in this context.
2. Technical explanation
Verified manufacturer-communication evidence associates this diagnostic-code group with Phone-as-a-Key concerns and storage in the RFA module. The supplied evidence does not establish a component failure, a specific root cause, or a user-performed repair procedure.
3. What system is affected?
Phone-as-a-Key / remote function actuator (RFA) module.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- Phone-as-a-Key concerns may be present on affected vehicles.
- The RFA module may store U200D:15.
- Related RFA-module codes may also be stored, including U200E:15, U200F:15, B15**:31, B15**:49, and/or B15A5:56.
6. Possible causes
- Not yet established by verified evidence.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- If Phone-as-a-Key concerns occur and U200D:15 is present, arrange diagnosis using the applicable Ford service information.
- Use an available alternative authorized vehicle access method if needed. Further operating guidance is not established by the supplied evidence.
10. Step-by-step troubleshooting
- Confirm whether the vehicle is equipped with Phone-as-a-Key.
- Retrieve diagnostic trouble codes from the remote function actuator (RFA) module.
- Check for the companion codes identified in Ford manufacturer communications: U200E:15, U200F:15, B15**:31, B15**:49, and/or B15A5:56.
- Refer the vehicle to Ford service for diagnosis under the applicable manufacturer communication.
11. When to contact service
Contact a Ford dealer or qualified Ford service provider if the vehicle has Phone-as-a-Key concerns and U200D:15 is stored in the RFA module.
12. What the service center may check
- Verify Phone-as-a-Key concern(s).
- Read RFA-module diagnostic trouble codes.
- Review the applicable Ford Special Service Message (SSM) for the vehicle model year and condition.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Ford Mustang Mach-E · 2021–2024 · US
- Ford Mustang Mach-E · 2021 · US
- Ford Mustang Mach-E · 2021–2022 · US
15. Related TSBs / service bulletins
- Ford SSM 49968, published July 21, 2021: Applies to 2021 Mustang Mach-E vehicles equipped with Phone-as-a-Key and identifies U200D:15, U200E:15, U200F:15, B15**:31, B15**:49, and/or B15A5:56 in the RFA module in connection with Phone-as-a-Key concerns.
- Ford SSM 50077, published September 1, 2021: Applies to 2021 Mustang Mach-E vehicles equipped with Phone-as-a-Key and identifies the same code group in connection with Phone-as-a-Key concerns.
- Ford SSM 50845, published June 8, 2022: Applies to 2021-2022 Mustang Mach-E vehicles equipped with Phone-as-a-Key and identifies the same code group in connection with Phone-as-a-Key concerns.
- Ford SSM 54555, published February 6, 2026: Applies to 2021-2024 Mustang Mach-E vehicles equipped with Phone-as-a-Key and identifies U200D:15, U200E:15, U200F:15, B1589:31/49 through B1598:31/49, B1A56:31/49, B1D55:31/49, and/or B15A5:56 in the RFA module in connection with Phone-as-a-Key concerns.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official NHTSA-hosted Ford manufacturer communications: SSM 49968 (NHTSA ID 10199511), SSM 50077 (NHTSA ID 10201575), SSM 50845 (NHTSA ID 10214161), and SSM 54555 (NHTSA ID 11028797). Verified applicability includes US-market 2021-2024 Ford Mustang Mach-E vehicles, with individual communications covering narrower year ranges.
- NHTSA: NHTSA Manufacturer Communication 10199511: SSM 49968 · official_tsb
- NHTSA: NHTSA Manufacturer Communication 10201575: SSM 50077 · official_tsb
- NHTSA: NHTSA Manufacturer Communication 10214161: SSM 50845 · official_tsb
- NHTSA: NHTSA Manufacturer Communication 11028797: SSM 54555 · official_tsb
19. Frequently asked questions
What does U200D:15 indicate on a Mustang Mach-E?
The verified evidence associates U200D:15 stored in the RFA module with Phone-as-a-Key concerns on applicable Mustang Mach-E vehicles equipped with Phone-as-a-Key. A specific failure mechanism is not established by the supplied evidence.
Is U200D:15 associated with other codes?
Yes. Ford communications identify U200E:15, U200F:15, B15**:31, B15**:49, and/or B15A5:56. The newer SSM 54555 additionally names B1589:31/49 through B1598:31/49, B1A56:31/49, and B1D55:31/49.
Can I drive or charge with U200D:15?
Not yet established by verified evidence.
Does U200D:15 apply to every Mustang Mach-E?
No. The verified communications concern specified US-model-year Mustang Mach-E vehicles equipped with Phone-as-a-Key. The supplied evidence covers 2021-2024 overall, while individual SSM applicability varies by publication.