EV Diagnostics
Verified EV diagnostic knowledge page

Ford U1A01:93

2022 various Ford and Lincoln vehicles may exhibit an erroneous diagnostic trouble code (DTC) U1A01:93 stored in the telematics control unit (TCU). This may be due to various softw

Common search variants: U1A0193 · U1A01-93 · U1A01 93 · U1A01_93 · Search ignores case and common separators.

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a Ford or Lincoln service provider if U1A01:93 returns after being cleared or if there are concerns with TCU operation.
Confidence95%

Quick answer

For U1A01:93 on a 2021–2022 US Ford Mustang Mach-E, Ford SSM 50829 identifies that the code may be erroneous in the telematics control unit (TCU) because of TCU software parameters. If there are no customer concerns with TCU operation, Ford instructs technicians to clear the DTC; no further repairs are recommended in that situation.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

Video guides

Watch Videos

Relevant videos play here without leaving this diagnostic page.

No sufficiently relevant embeddable video has been accepted for this diagnostic yet.

Videos are supporting material and never override OEM or regulator evidence.

1. What does U1A01:93 mean?

For U1A01:93 on a 2021–2022 US Ford Mustang Mach-E, Ford SSM 50829 identifies that the code may be erroneous in the telematics control unit (TCU) because of TCU software parameters. If there are no customer concerns with TCU operation, Ford instructs technicians to clear the DTC; no further repairs are recommended in that situation.

2. Technical explanation

U1A01:93 is addressed by Ford Special Service Message (SSM) 50829, published June 6, 2022. The bulletin states that 2021–2022 various Ford and Lincoln vehicles may store an erroneous U1A01:93 DTC in the TCU due to various software parameters within that module. The supplied evidence does not establish a component failure from this code alone.

3. What system is affected?

Telematics Control Unit (TCU).

4. How serious is this code?

Not yet established by verified evidence. Ford’s bulletin characterizes this as a potentially erroneous stored DTC when TCU operation has no customer concerns.

5. Symptoms you may notice

  • An erroneous U1A01:93 DTC may be stored in the TCU.
  • Customer concerns around TCU operation are referenced by Ford, but specific symptoms are not established by the supplied verified evidence.

6. Possible causes

  • Various software parameters within the TCU may cause an erroneous U1A01:93 DTC, according to Ford SSM 50829.

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 U1A01:93 is found during normal diagnostics and there are no customer concerns with TCU operation, have the DTC cleared in accordance with Ford SSM 50829.
  • If the code returns after clearing, or if there are TCU-operation concerns, seek Ford diagnostic service.

10. Step-by-step troubleshooting

  1. Confirm the DTC is U1A01:93 and is stored in the TCU.
  2. Determine whether there are customer concerns around TCU operation.
  3. If there are no TCU-operation concerns, clear the DTC. Ford states that no further repairs are recommended in this circumstance.
  4. If the DTC returns after clearing or TCU-operation concerns are present, further diagnostic direction is not included in the supplied evidence.

11. When to contact service

Contact a Ford or Lincoln service provider if U1A01:93 returns after being cleared or if there are concerns with TCU operation.

12. What the service center may check

  • Check whether U1A01:93 is stored in the TCU.
  • Check for customer concerns around TCU operation.
  • Clear the DTC when identified during normal diagnostics and no TCU-operation concerns exist.
  • Reassess if the DTC returns after clearing.

13. Possible repair or resolution

  • Ford SSM 50829 recommends clearing U1A01:93 and performing no further repairs when the vehicle has no customer concerns around TCU operation.
  • A repair resolution for a returning DTC or a vehicle with TCU-operation concerns is not yet established by the supplied verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Ford SSM 50829: 2021–2022 various Ford and Lincoln vehicles may exhibit an erroneous U1A01:93 stored in the TCU due to various TCU software parameters. Published June 6, 2022. NHTSA Manufacturer Communication PDF 10213708: https://static.nhtsa.gov/odi/tsbs/2022/MC-10213708-0001.pdf

16. Recall information

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

17. Official manufacturer information

Applicable verified source: Ford SSM 50829, filed by NHTSA as Manufacturer Communication PDF 10213708. It applies in the supplied data to 2021–2022 US Ford Mustang Mach-E vehicles. https://static.nhtsa.gov/odi/tsbs/2022/MC-10213708-0001.pdf

19. Frequently asked questions

What does U1A01:93 mean on a 2021–2022 Ford Mustang Mach-E?

Ford SSM 50829 states that this DTC may be erroneously stored in the TCU due to various TCU software parameters.

Does U1A01:93 require a repair?

If it is identified during normal diagnostics and there are no customer concerns around TCU operation, Ford says to clear the DTC and recommends no further repairs.

What if U1A01:93 comes back after clearing?

Ford’s supplied bulletin identifies a returning DTC as a condition that does not fit its no-further-repair guidance. Specific next diagnostic or repair steps are not established by the supplied evidence.

Is it safe to drive or charge with U1A01:93?

Not yet established by verified evidence.

20. Sources & verification

Verified
Ford U1A01:93: 2022 various Ford and Lincoln vehicles may exhibit an… | EV Diagnostics