# Service bulletin A23\-100

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.

- Type: Service bulletin
- NHTSA id: 10251602
- Published by NHTSA: 2024\-03\-13
- Manufacturer's number: A23\-100
- Manufacturer's date: 2024\-03\-05
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Service Bulletin \- During engine start in cold conditions, a miscalculation in the PCM causes the air\-fuel ratio to exceed DTC P2DE1 rich criteria.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10251602-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10251602-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Trouble codes named

P2DE1

## Vehicles listed

- 2021 to 2022 HONDA HR\-V

## Other bulletins for the same vehicles and component

- [A23\-100](/bulletins/10247624.md), 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.

JSON: [/v1/bulletins/10251602](/v1/bulletins/10251602)

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