# Service bulletin A22\-040

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: 10222076
- Published by NHTSA: 2022\-09\-27
- Manufacturer's number: A22\-040
- Manufacturer's date: 2022\-09\-21
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Service Bulletin \- The MIL is on with P0420 \(Catalyst System Efficiency Below Threshold\). Sensors on the vehicle may misinterpret the catalyst as deteriorated or it may have deteriorated.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10222076-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10222076-9999.pdf)

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

## Components

Engine

## Trouble codes named

P0420

## Vehicles listed

- 2014 to 2016 HONDA CR\-Z

## Other bulletins for the same vehicles and component

- [Label Misprint](/bulletins/10211560.md), 2022-05-09, Service bulletin: BACK OVER PREVENTION; ENGINE AND ENGINE COOLING; EQUIPMENT. Today, February 26, 2016, American Honda Motor Co., Inc. is announcing a Product Update for certain Accord, Civic, CR\-Z, Fit, and Insight model years 2014\-2016 vehicles for sale in the state of Hawaii to amend Monroney labels that were printed without bumper impact information. Basic Problem American Honda had a computer programming issue; an obsolete program name causing printing of no bumper impact information on the Monroney label for the state of Hawaii.

JSON: [/v1/bulletins/10222076](/v1/bulletins/10222076)

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