Service bulletins for the 2021 Honda HR-V
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
41 on file from NHTSA, as of 2026-10-19.
About P2DE1 on the 2021 Honda HR-V: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P2DE1 are shown. Show all
| A23-100 | 2024-03-13. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - During engine start in cold conditions, a miscalculation in the PCM causes the air-fuel ratio to exceed DTC P2DE1 rich criteria. |
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| A23-100 | 2023-12-23. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Service Bulletin - During engine start in cold conditions, it is possible for air-fuel ratio to exceed DTC P2DE1 rich criteria. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.