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Lexus U255221F

Seviye 3 DC hızlı şarj ile ilişkili Plug-In Charge Control Computer kontrol mantığı/gerilim düşümü arızası; şarj normal çalışabilir veya başarısız olabilir ve MID'de şarj arızası mesajı görülebilir.

DriveNot yet established by verified evidence.
ChargeLevel 3 DC fast charging may work normally or may fail. The safety or suitability of continued charging has not yet been established by verified evidence.
ServiceContact a Lexus service provider for diagnosis if U255221F is stored, Level 3 DC fast charging fails, or a MID charging-failure message appears.
Confidence95%

Quick answer

For 2026 Lexus RZ 350e, RZ 450e, and RZ 550e models, DTC U255221F is associated with Plug-In Charge Control Computer control-logic/voltage-drop behavior during Level 3 DC fast charging. DC fast charging may work normally or may fail, and a charging-failure message may appear in the MID.

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 U255221F mean?

For 2026 Lexus RZ 350e, RZ 450e, and RZ 550e models, DTC U255221F is associated with Plug-In Charge Control Computer control-logic/voltage-drop behavior during Level 3 DC fast charging. DC fast charging may work normally or may fail, and a charging-failure message may appear in the MID.

2. Technical explanation

Verified evidence associates U255221F with the Plug-In Charge Control Computer and a control-logic/voltage-drop condition related to Level 3 DC fast charging. The evidence does not establish a component-level failure mechanism, diagnostic threshold, or repair procedure.

3. What system is affected?

Plug-In Charge Control Computer; Level 3 DC fast-charging operation.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Level 3 DC fast charging may operate normally.
  • Level 3 DC fast charging may fail.
  • A charging-failure message may appear in the MID.

6. Possible causes

  • A Plug-In Charge Control Computer control-logic/voltage-drop condition related to Level 3 DC fast charging.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

Level 3 DC fast charging may work normally or may fail. The safety or suitability of continued charging has not yet been established by verified evidence.

9. What you can safely do

  • If a charging-failure message appears, document the message and the charging circumstances for service diagnosis.
  • Use a Lexus service provider for diagnosis rather than attempting high-voltage or charging-control repairs.

10. Step-by-step troubleshooting

  1. Confirm whether U255221F is present and record whether the event occurred during Level 3 DC fast charging.
  2. Record whether DC fast charging completed normally or failed and whether a MID charging-failure message appeared.
  3. Further troubleshooting steps are not yet established by verified evidence.

11. When to contact service

Contact a Lexus service provider for diagnosis if U255221F is stored, Level 3 DC fast charging fails, or a MID charging-failure message appears.

12. What the service center may check

  • Verify DTC U255221F and its occurrence in relation to Level 3 DC fast charging.
  • Assess the Plug-In Charge Control Computer condition using Lexus diagnostic information. Further service checks are not yet established by verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Technical-bulletin evidence is available through OEMDTC bulletin mirror, "Lexus RZ diagnostic evidence," locator: RZ | RZ 350e | U255221F; RZ | RZ 450e | U255221F; RZ | RZ 550e | U255221F. https://oemdtc.com/tsb/11036125/

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified technical-bulletin evidence from OEMDTC bulletin mirror applies to 2026 Lexus RZ 350e, RZ 450e, and RZ 550e globally. Source: https://oemdtc.com/tsb/11036125/

19. Frequently asked questions

What does Lexus DTC U255221F mean?

For the verified 2026 Lexus RZ applications, it is associated with Plug-In Charge Control Computer control logic/voltage drop related to Level 3 DC fast charging.

Can U255221F prevent DC fast charging?

Yes. Verified evidence states that charging may operate normally or may fail.

Will a message appear on the display?

A charging-failure message may appear in the MID.

Which vehicles are supported by the verified evidence?

2026 Lexus RZ 350e, RZ 450e, and RZ 550e, with GLOBAL applicability.

20. Sources & verification

Verified
Lexus U255221F: Seviye 3 DC hızlı şarj ile ilişkili Plug-In Charge… | EV Diagnostics