# Service bulletin L\-SB\-0023\-18

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: 10146008
- Published by NHTSA: 2018\-10\-22
- Manufacturer's number: L\-SB\-0023\-18
- Manufacturer's date: 2018\-06\-29
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM

## NHTSA's summary

TSB: Some 2016 ? 2018 model year RX 450h and 2018 model year RX 450h L vehicles may exhibit a MIL ?ON? condition with Diagnostic Trouble Code \(DTC\) P3190 \(Poor Engine Power\). This condition may occur when operating the vehicle in high altitude and high temperature conditions. The engine control module/ECM \(SAE Term: Powertrain Control Module/PCM\) logic has been modified to reduce the possibility of this condition occurring. 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/2018/MC-10146008-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10146008-0001.pdf)

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

## Components

Electrical system, Transmission and driveline, Automatic transmission, Transmission control module

## Trouble codes named

P3190

## Vehicles listed

- 2016 to 2018 LEXUS RX HYBRID

JSON: [/v1/bulletins/10146008](/v1/bulletins/10146008)

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