# Service bulletin LSB004419

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: 10235227
- Published by NHTSA: 2023\-05\-01
- Manufacturer's number: LSB004419
- Manufacturer's date: 2023\-02\-15
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

TSB: Some 2016 ? 2019 model year RX 450h and 2018 ? 2019 model year RX 450hL vehicles may exhibit a MIL ON condition with one or more of the following Diagnostic Trouble Codes \(DTCs\): ?P0301 ? Cylinder 1 Misfire Detected ?P0302 ? Cylinder 2 Misfire Detected ?P0303 ? Cylinder 3 Misfire Detected ?P0304 ? Cylinder 4 Misfire Detected ?P0305 ? Cylinder 5 Misfire Detected ?P0306 ? Cylinder 6 Misfire Detected Follow the Repair Procedure in this bulletin to address this condition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235227-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235227-9999.pdf)

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

## Components

Engine

## Trouble codes named

P0301, P0302, P0303, P0304, P0305, P0306

## Vehicles listed

- 2016 to 2019 LEXUS RX HYBRID

JSON: [/v1/bulletins/10235227](/v1/bulletins/10235227)

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