# Service bulletin A22\-009

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: 10215484
- Published by NHTSA: 2022\-07\-07
- Manufacturer's number: A22\-009
- Manufacturer's date: 2022\-06\-07
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE

## NHTSA's summary

"Service bulletin \- The MIL comes on with DTC P2DE1 \(Cold Start Air Fuel Ratio Control System Rich\). A new cold start emission reduction strategy was applied to detect air fuel ratio abnormalities. When certain fuel and vehicle shutoff conditions are present, the LAF sensor may incorrectly judge the air fuel ratio to be rich."

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10215484-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10215484-9999.pdf)

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

## Components

Electrical system, Engine, Exhaust and emissions, Fuel system, Software

## Trouble codes named

P2DE1

## Vehicles listed

- 2021 HONDA ACCORD HYBRID

## Other bulletins for the same vehicles and component

- [A21\-049](/bulletins/10194464.md), 2021-05-25, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Service Bulletin \- The MIL comes on with DTC P0236 \(Turbocharger Boost Sensor Circuit Range/Performance Problem\) stored.

JSON: [/v1/bulletins/10215484](/v1/bulletins/10215484)

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