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Ford U200F:15

31, B15**:49 and/or B15A5:56 stored in the remote function actuator (RFA) module. If any of these DTCs are detected during normal diagnostics, clear the DTCs, reflash RFA to the la

Common search variants: U200F15 · U200F-15 · U200F 15 · U200F_15 · Search ignores case and common separators.

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a Ford dealer or qualified Ford service provider for RFA module diagnosis and programming, particularly when U200F:15 is stored with a Phone-as-a-Key concern.
Confidence95%

Quick answer

For applicable Ford Mustang Mach-E vehicles, U200F:15 may be stored in the remote function actuator (RFA) module with Phone-as-a-Key concerns. Ford service communications instruct technicians to clear the DTCs, update the RFA module to the latest software level, begin a new Ford Diagnosis and Repair System (FDRS) session, and verify the DTCs are no longer present.

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 U200F:15 mean?

For applicable Ford Mustang Mach-E vehicles, U200F:15 may be stored in the remote function actuator (RFA) module with Phone-as-a-Key concerns. Ford service communications instruct technicians to clear the DTCs, update the RFA module to the latest software level, begin a new Ford Diagnosis and Repair System (FDRS) session, and verify the DTCs are no longer present.

2. Technical explanation

Verified Ford communications identify U200F:15 as one of several DTCs that may be stored in the RFA module on vehicles equipped with Phone-as-a-Key. The evidence associates the code with Phone-as-a-Key concerns; it does not establish a component failure or a high-voltage fault. Ford states that symptoms outside Phone-as-a-Key concerns should be addressed first.

3. What system is affected?

Remote Function Actuator (RFA) module / Phone-as-a-Key function.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Phone-as-a-Key concerns.
  • U200F:15 stored in the RFA module, potentially alongside U200D:15, U200E:15, B15**:31, B15**:49, and/or B15A5:56.

6. Possible causes

  • The verified communications associate this DTC with Phone-as-a-Key concerns and provide an RFA software update procedure. A specific underlying cause is not otherwise 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 the concern is limited to Phone-as-a-Key operation, arrange Ford diagnosis and software service.
  • If there are symptoms outside Phone-as-a-Key concerns, have those concerns addressed first, consistent with Ford guidance.
  • Do not attempt RFA programming without appropriate Ford diagnostic equipment and procedures.

10. Step-by-step troubleshooting

  1. Confirm whether the vehicle has Phone-as-a-Key concerns.
  2. Read and document DTCs stored in the RFA module.
  3. If other symptoms are present beyond Phone-as-a-Key concerns, address those first.
  4. For the listed DTCs, Ford directs technicians to clear the DTCs, reflash the RFA module to the latest software level, start a new FDRS session, and verify the DTCs are no longer present.

11. When to contact service

Contact a Ford dealer or qualified Ford service provider for RFA module diagnosis and programming, particularly when U200F:15 is stored with a Phone-as-a-Key concern.

12. What the service center may check

  • Check the RFA module for U200F:15 and the related DTCs named in Ford communications.
  • Determine whether the vehicle concern is related to Phone-as-a-Key.
  • Address any symptoms outside Phone-as-a-Key concerns before applying the communication procedure.
  • Clear applicable DTCs.
  • Reflash the RFA module to the latest software level using Ford diagnostic procedures.
  • Start a new FDRS session.
  • Verify that the DTCs are no longer present.

13. Possible repair or resolution

  • Ford's documented resolution is to clear the applicable DTCs, update the RFA module to the latest software level, begin a new FDRS session, and verify that the DTCs no longer remain.
  • No parts replacement is established by the supplied verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • SSM 50845, published June 8, 2022: Applies to 2021-2022 Mustang Mach-E vehicles equipped with Phone-as-a-Key. It lists U200F:15 among RFA-module DTCs associated with Phone-as-a-Key concerns and directs RFA software updating after applicable DTC clearing.
  • SSM 50077, published September 1, 2021: Applies to 2021 Mustang Mach-E vehicles equipped with Phone-as-a-Key. It lists U200F:15 among RFA-module DTCs associated with Phone-as-a-Key concerns and directs RFA software updating after applicable DTC clearing.
  • SSM 49968, published July 21, 2021: Applies to 2021 Mustang Mach-E vehicles. It lists U200F:15 among RFA-module DTCs and directs technicians to clear the DTCs, update the RFA software, start a new FDRS session, and verify DTCs are no longer present.

16. Recall information

  • No recall information is established by the supplied verified evidence.

17. Official manufacturer information

Official NHTSA-hosted Ford manufacturer communications: SSM 50845 (https://static.nhtsa.gov/odi/tsbs/2022/MC-10214161-0001.pdf); SSM 50077 (https://static.nhtsa.gov/odi/tsbs/2021/MC-10201575-0001.pdf); SSM 49968 (https://static.nhtsa.gov/odi/tsbs/2021/MC-10199511-0001.pdf).

19. Frequently asked questions

What does U200F:15 mean on a Mustang Mach-E?

For the covered vehicles in Ford communications, U200F:15 is one of several DTCs that may be stored in the RFA module in connection with Phone-as-a-Key concerns.

Does U200F:15 indicate a charging or high-voltage battery problem?

Not yet established by verified evidence. The supplied Ford communications concern the RFA module and Phone-as-a-Key function.

What is Ford's documented service procedure?

Ford directs technicians to clear the applicable DTCs, reflash the RFA module to the latest software level, start a new FDRS session, and verify the DTCs are no longer present.

Which Mustang Mach-E years are covered by the supplied communications?

The supplied evidence covers U.S. 2021 Mustang Mach-E and U.S. 2021-2022 Mustang Mach-E applicability, depending on the specific communication.

20. Sources & verification

Verified
Ford U200F:15: 31, B15**:49 and/or B15A5:56 stored in the remote… | EV Diagnostics