# Service bulletin ONLX4A07112019

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: 10163174
- Published by NHTSA: 2019\-07\-23
- Manufacturer's number: ONLX4A07112019
- Manufacturer's date: 2019\-07\-11
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Owner Notification Letter \- Some 2017\-18 CR\-V vehicles equipped with the 1.5 liter turbocharged engine may experience driveability issues. This may result in Diagnostic Trouble Codes \(DTCs\) P0300 \(random misfire detected\), P0301 \(No. 1 cylinder misfire detected\), P0302 \(No. 2 cylinder misfire detected\), P0303 \(No. 3 cylinder misfire detected\), P0304 \(No. 4 cylinder misfire detected\), or P0172 \(fuel system too rich\) or a whirling noise coming from the engine compartment. These concerns may result in the Malfunction Indicator Lamp \(MIL\) turning on.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10163174-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10163174-9999.pdf)

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

## Components

Engine

## Trouble codes named

P0172, P0300, P0301, P0302, P0303, P0304

## Vehicles listed

- 2017 to 2018 HONDA CR\-V

## Other bulletins for the same vehicles and component

- [A26\-098](/bulletins/11037710.md), 2026-10-01, Service bulletin: ENGINE. Service Bulletin \- Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, and/or misfire. In some cases, DTCs P0300 through P0304 may also be stored \(DTCs are not required for repair\).
- [A26\-016](/bulletins/11037702.md), 2026-10-01, Service bulletin: ENGINE. Service Bulletin \- Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, and/or misfire. In some cases, DTCs P0300 through P0304 may also be stored \(DTCs are not required for repair\).
- [A26\-098](/bulletins/11036650.md), 2026-09-02, Service bulletin: ENGINE. Service Bulletin \- Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire, and/or DTCs P0300 thru P0304 stored.
- [AEBM08262026901](/bulletins/11036424.md), 2026-08-27, Other: ENGINE. Dealer Message \- Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire, and/or DTCs P0300 through P0304 stored.
- [A26\-098](/bulletins/11036418.md), 2026-08-27, Service bulletin: ENGINE. Service Bulletin \- Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
- [A26\-016](/bulletins/11036413.md), 2026-08-27, Service bulletin: ENGINE. Service Bulletin \- Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
- [A25\-077](/bulletins/11021746.md), 2025-08-08, Service bulletin: ENGINE. Service Bulletin \- Oil leak at timing chain tensioner inspection cover due to possible insufficient sealant adhesion on inspection cover.
- [ATI\&10112024901](/bulletins/11009168.md), 2024-10-25, Other: ENGINE. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2018\-2022 Accord FHEVs, as well as 2017\-2022 CR\-V 1.5Ls \(no 2.4L\), \& 2020\-2022 CR\-V FHEVs with a customer complaint of the Malfunction Indicator Light \(MIL\) on with the DTC P030X \(Cylinder Misfire Detected\) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
- [ATI\&09202024901](/bulletins/11008039.md), 2024-09-26, Other: ENGINE. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2018\-2022 Accord FHEVs, as well as 2017\-2022 CR\-V 1.5Ls \(no 2.4L\), \& 2020\-2022 CR\-V FHEVs with a customer complaint of the Malfunction Indicator Light \(MIL\) on with the DTC P030X \(Cylinder Misfire Detected\) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
- [ATI\&09112024907](/bulletins/11007891.md), 2024-09-18, Other: ENGINE. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2018\-2022 Accord FHEVs, as well as 2017\-2022 CR\-V 1.5Ls \(no 2.4L\), \& 2020\-2022 CR\-V FHEVs with a customer complaint of the Malfunction Indicator Light \(MIL\) on with the DTC P030X \(Cylinder Misfire Detected\) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.

JSON: [/v1/bulletins/10163174](/v1/bulletins/10163174)

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