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Acura U357F

If all of these DTCs are NOT SET as current or history this bulletin does not apply; continue with normal troubleshoot

DriveUnknown. The supplied evidence does not establish whether the vehicle is safe to drive with U357F.
ChargeUnknown. The supplied evidence does not establish whether the vehicle is safe to charge with U357F.
ServiceService is appropriate if a diagnostic trouble code is present, but urgency and required repairs are not established by the supplied evidence.
Confidence95%

Quick answer

For a 2024 Acura ZDX in the U.S., U357F is listed in Acura bulletin B25-025 only as one member of a required group of DTCs. The bulletin applies only when all listed DTCs are present as current or history; otherwise, continue normal troubleshooting.

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 U357F mean?

For a 2024 Acura ZDX in the U.S., U357F is listed in Acura bulletin B25-025 only as one member of a required group of DTCs. The bulletin applies only when all listed DTCs are present as current or history; otherwise, continue normal troubleshooting.

2. Technical explanation

Verified evidence does not provide a component-level definition, fault mechanism, or standalone diagnostic meaning for U357F. In NHTSA-posted Acura manufacturer communication B25-025, U357F appears among these required DTCs: P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, and U35AF. The bulletin states that if all of these DTCs are not set as current or history, the bulletin does not apply and normal troubleshooting should continue.

3. What system is affected?

Not yet established by verified evidence.

4. How serious is this code?

Unknown. The supplied evidence does not assign a severity level.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. The supplied evidence does not establish whether the vehicle is safe to drive with U357F.

8. Can I charge the vehicle?

Unknown. The supplied evidence does not establish whether the vehicle is safe to charge with U357F.

9. What you can safely do

  • Have the vehicle evaluated using normal Acura diagnostic procedures if the full DTC group required by bulletin B25-025 is not present.
  • Do not assume bulletin B25-025 applies based on U357F alone.

10. Step-by-step troubleshooting

  1. Verify whether every DTC required by Acura bulletin B25-025 is set as current or history: P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, and U35AF.
  2. If all required DTCs are not set as current or history, the bulletin directs normal troubleshooting.

11. When to contact service

Service is appropriate if a diagnostic trouble code is present, but urgency and required repairs are not established by the supplied evidence.

12. What the service center may check

  • Check for the complete B25-025 DTC group in current or history status.
  • Apply bulletin B25-025 only when all required DTCs are present; otherwise continue normal troubleshooting.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Acura bulletin B25-025, published through NHTSA as Manufacturer Communication PDF 11019256 on 2025-05-23, applies to a 2024 Acura ZDX in the U.S. only when all specified DTCs are set as current or history.
  • Official source: https://static.nhtsa.gov/odi/tsbs/2025/MC-11019256-0001.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

NHTSA Manufacturer Communication PDF 11019256, Acura B25-025: https://static.nhtsa.gov/odi/tsbs/2025/MC-11019256-0001.pdf

19. Frequently asked questions

Does Acura bulletin B25-025 apply when U357F is the only code present?

No. Verified bulletin evidence says all listed DTCs must be set as current or history. If all are not set, the bulletin does not apply and normal troubleshooting should continue.

Which vehicle is supported by the supplied evidence?

A 2024 Acura ZDX for the U.S. market.

What does U357F specifically mean?

A standalone meaning is not yet established by the supplied verified evidence.

20. Sources & verification

Verified
Acura U357F: If all of these DTCs are NOT SET as current or history… | EV Diagnostics