Honda P2C8B
If all of these DTCs are NOT SET as current or history, this bulletin
Quick answer
For a 2024–2025 Honda Prologue in the US, P2C8B is included in Honda bulletin A25-043 only when it is present together with every listed companion DTC as current or history. The supplied evidence does not establish P2C8B’s standalone meaning, symptoms, driving/charging status, or repair procedure.
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 P2C8B mean?
For a 2024–2025 Honda Prologue in the US, P2C8B is included in Honda bulletin A25-043 only when it is present together with every listed companion DTC as current or history. The supplied evidence does not establish P2C8B’s standalone meaning, symptoms, driving/charging status, or repair procedure.
2. Technical explanation
The verified NHTSA manufacturer communication A25-043 instructs the technician to verify that the vehicle has all of the following DTCs set: P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, and U35AF. The bulletin evidence further states that if all of these DTCs are not set as current or history, the bulletin does not apply. The supplied evidence does not establish a standalone definition for P2C8B.
3. What system is affected?
Not yet established by verified evidence.
4. How serious is this code?
Unknown. The supplied verified evidence does not assign a severity.
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?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Have a qualified Honda service provider retrieve current and history DTCs.
- For bulletin A25-043 applicability, confirm whether all listed DTCs are present as current or history.
10. Step-by-step troubleshooting
- Verify whether P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, and U35AF are all set as current or history.
- If any listed DTC is not set as current or history, bulletin A25-043 does not apply according to the supplied evidence.
11. When to contact service
Contact a Honda dealer or qualified Honda service provider for diagnostic evaluation. The supplied evidence does not establish owner-level repair steps.
12. What the service center may check
- Retrieve and review current and history DTCs.
- Confirm the complete A25-043 DTC set: P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, and U35AF.
13. Possible repair or resolution
- Not yet established by verified evidence. The supplied bulletin excerpt provides an applicability condition but does not provide the repair procedure.
14. Affected vehicles
- Honda Prologue · 2024–2025 · US
15. Related TSBs / service bulletins
- Honda A25-043, published through NHTSA as Manufacturer Communication PDF 11019250 on May 23, 2025. Applicable vehicle population supplied: 2024–2025 Honda Prologue, US. The bulletin applies only when all listed DTCs, including P2C8B, are set as current or history.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified source: NHTSA Manufacturer Communication PDF 11019250, Honda bulletin A25-043: https://static.nhtsa.gov/odi/tsbs/2025/MC-11019250-0001.pdf
19. Frequently asked questions
Does Honda bulletin A25-043 apply when only P2C8B is present?
No. The supplied evidence says the bulletin requires all listed DTCs to be set as current or history, not P2C8B alone.
Which vehicles are covered by the supplied applicability evidence?
2024–2025 Honda Prologue vehicles in the US.
What does P2C8B mean by itself?
Not yet established by verified evidence.