Ford U200E
15, U200F:15, B15**:31, B15**:49 and/or B15A5:56 stored in the remote function actuator (RFA) module. If the vehicle is exhibiting other sy
Quick answer
For US Ford Mustang Mach-E vehicles equipped with Phone-as-a-Key, DTC U200E:15 stored in the Remote Function Actuator (RFA) module is documented in Ford Special Service Messages as occurring with Phone-as-a-Key concerns. The supplied evidence does not establish a standalone definition, driving/charging restriction, or repair for U200E by itself.
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 U200E mean?
For US Ford Mustang Mach-E vehicles equipped with Phone-as-a-Key, DTC U200E:15 stored in the Remote Function Actuator (RFA) module is documented in Ford Special Service Messages as occurring with Phone-as-a-Key concerns. The supplied evidence does not establish a standalone definition, driving/charging restriction, or repair for U200E by itself.
2. Technical explanation
Verified Ford communications list U200E:15 among DTCs that may be stored in the RFA module when a Mustang Mach-E equipped with Phone-as-a-Key has Phone-as-a-Key concerns. The evidence also lists U200D:15, U200F:15, B15**:31, B15**:49, and B15A5:56 in the same context. The supplied records do not provide the complete diagnostic text for U200E, a root cause, or a specific corrective procedure.
3. What system is affected?
Remote Function Actuator (RFA) module / Phone-as-a-Key functionality.
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.
- No other specific symptoms are established by the supplied verified evidence.
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 functionality is affected, arrange diagnosis by an authorized Ford dealer or qualified service provider.
- Provide the stored DTC, including its suffix when available (for example, U200E:15), and identify the module as the RFA module.
- Do not infer a high-voltage battery or charging fault from this evidence alone.
10. Step-by-step troubleshooting
- Confirm whether the vehicle is equipped with Phone-as-a-Key.
- Confirm the complete stored DTC and that it is stored in the RFA module.
- Check Ford service information for the applicable Special Service Message and current diagnostic direction. Further steps are not established by the supplied verified evidence.
11. When to contact service
Contact an authorized Ford dealer or qualified service provider if Phone-as-a-Key concerns are present or U200E:15 is stored in the RFA module.
12. What the service center may check
- Verify vehicle applicability, equipment, concern, and the complete DTC set in the RFA module.
- Review the applicable Ford Special Service Message identified in the official NHTSA manufacturer communications.
- Specific test steps, software levels, parts, and repairs are not established by the supplied verified evidence.
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: Lists U200E:15 in the RFA module for 2021 Mustang Mach-E vehicles equipped with Phone-as-a-Key, in the context of Phone-as-a-Key concerns.
- Ford SSM 50077, published September 1, 2021: Lists U200E:15 in the RFA module for Mustang Mach-E vehicles equipped with Phone-as-a-Key and Phone-as-a-Key concerns.
- Ford SSM 50845, published June 8, 2022: Lists U200E:15 in the RFA module for Mustang Mach-E vehicles equipped with Phone-as-a-Key and Phone-as-a-Key concerns.
- Ford SSM 54555, published February 6, 2026: Lists U200E:15 in the RFA module for Mustang Mach-E vehicles equipped with Phone-as-a-Key and various Phone-as-a-Key concerns.
16. Recall information
- No recall is established by the supplied verified evidence.
17. Official manufacturer information
Official NHTSA manufacturer communications: SSM 49968 (NHTSA ID 10199511), SSM 50077 (NHTSA ID 10201575), SSM 50845 (NHTSA ID 10214161), and SSM 54555 (NHTSA ID 11028797).
- 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 U200E:15 mean on a Ford Mustang Mach-E?
The supplied evidence establishes that U200E:15 may be stored in the RFA module on Phone-as-a-Key-equipped Mustang Mach-E vehicles with Phone-as-a-Key concerns. A complete standalone definition is not established by the supplied verified evidence.
Is U200E:15 related to Phone-as-a-Key?
Yes. Ford Special Service Messages list U200E:15 in the RFA module in connection with Phone-as-a-Key concerns.
Can I drive or charge with U200E:15?
Driving and charging suitability are not established by the supplied verified evidence.
Does U200E:15 prove a high-voltage battery fault?
No. The supplied evidence associates this code with the RFA module and Phone-as-a-Key concerns; it does not establish a high-voltage battery fault.