TSB for System malfunction

Reply Subscribe

Thread Tools

Search this Thread

Aug 5, 2025 | 05:52 AM

js6543md

Thread Starter

Rookie

Joined: Jun 2023

Posts: 32

Likes: 10

From: MD

TSB for System malfunction

Saw on Facebook Lexus group that there is a TSB for System Malfunction that shows on Start-up. Also, that Lexus is working on Amplifier
replacement for crappy ML Audio system

Aug 5, 2025 | 08:51 AM

mikemu30

Lexus Test Driver

Joined: Jul 2017

Posts: 9,551

Likes: 3,393

From: NJ

Lexus has been working on ML audio improvements for many years now. My 19ES has ML and owners were complaining all the way back in 2019. Is what it is.

Aug 5, 2025 | 10:01 AM

Urlik

Racer

Joined: Mar 2023

Posts: 1,575

Likes: 892

From: TX

Quote:

Originally Posted by mikemu30

Lexus has been working on ML audio improvements for many years now. My 19ES has ML and owners were complaining all the way back in 2019. Is what it is.

2024 RX and TX have had some ML amplifier failing issues.

Aug 5, 2025 | 12:03 PM

WellsB

Instructor

Joined: Oct 2023

Posts: 1,239

Likes: 1,050

From: CA

Aug 5, 2025 | 12:05 PM

mikemu30

Lexus Test Driver

Joined: Jul 2017

Posts: 9,551

Likes: 3,393

From: NJ

Quote:

Originally Posted by Urlik

2024 RX and TX have had some ML amplifier failing issues.

I guess that's worse than crappy sound 🤣

Nov 20, 2025 | 11:40 AM

lslylstr

1st Gear

Joined: Nov 2025

Posts: 1

Likes: 0

Quote:

Originally Posted by js6543md

Saw on Facebook Lexus group that there is a TSB for System Malfunction that shows on Start-up. Also, that Lexus is working on Amplifier
replacement for crappy ML Audio system

did they fix the amplifier? My 2023 Rx ML is lacking bass unless volume is turned way up.

Nov 20, 2025 | 01:01 PM

chuckNX

Advanced

Joined: Dec 2016

Posts: 699

Likes: 280

From: California

Quote:

Originally Posted by mikemu30

Lexus has been working on ML audio improvements for many years now. My 19ES has ML and owners were complaining all the way back in 2019. Is what it is.

Actually Harmon Kardon makes the sound systems and changes the brand name plate based on the OEM order. The only thing Lexus cares about is exclusive usage rights for a car audio brand that no one really cares about. It has never been that great.