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Service bulletin 20LC03 - Remedy

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10177595
Published by NHTSA2020-07-27
Manufacturer's number20LC03 - Remedy
Manufacturer's date2020-06-25
NHTSA componentELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA's summary

DL: The engine control module in the subject vehicles is equipped with software to manage the emissions systems. Due to improper programming in the software, the emissions monitoring system may clear the system test results which can result in a vehicle not being able to complete emission testing/smog checks.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance, Engine, Exhaust and emissions

Vehicles listed
LEXUS RX3502018 to 2019

Listing a model year does not mean every vehicle of it is concerned: the document says which.