NHTSA ID Number: 11005135
Manufacturer Communication Number: L-SB-0037-22 Rev1
TSB/Document Date: 2024-07-23
Summary
Some 2022 – 2023 model year LS 500h AWD vehicles are equipped with Lexus
Advanced Drive. This system provides driving support through automated steering, acceleration, and braking under specific operating conditions within controlled access highways. Lexus Advanced Drive utilizes an array of sensors and cameras, high definitions maps, and the vehicle navigation system to provide hands-free (SAE level: 2) driving assistance for engaged drivers. Updates to enhance Lexus Advanced Drive operation or to add features/functions are delivered to the vehicle directly through the Lexus Enform multimedia head unit (version 4.00 or earlier). The updates include the following: • Enhancements to the detection and response of vehicle merging into the preceding lane. • Enhancements to Advance Drive to driver hand-over at lower speeds. • Expanded speed range for system operation. Some 2022 – 2023 model year LS 500h AWD vehicles are equipped with Lexus Advanced Drive. This system provides driving support through automated steering, acceleration, and braking under specific operating conditions within controlled access highways. Lexus Advanced Drive utilizes an array of sensors and cameras, high definitions maps, and the vehicle navigation system to provide hands-free (SAE level: 2) driving assistance for engaged drivers. Updates to enhance Lexus Advanced Drive operation or to add features/functions are delivered to the vehicle directly through the Lexus Enform multimedia head unit (earlier than version 5.00). The updates include the following: • Updates the Advanced Drive messages and displays. • Reduces the frequency of prompts to hold the steering wheel in certain circumstances (e.g., facial recognition impact reduced when wearing a medical mask). • Increases scenarios where lane change assist can be used. • Adjusts the speed to help avoid blind spots of other vehicles in adjacent lanes. • Enhances peripheral recognition using LiDARs. • Reduces lane change assist activation when standard construction cones or barrels are detected. • Alerts driver to nearby vehicles at certain highway entrance merging areas during low-speed driving. • Alerts driver when approaching a much slower vehicle ahead. • Increases the maximum Advanced Drive set speed to 85 mph. The release notes text below will be displayed to the customer: “Updates the Advanced Drive messages and displays, reduces the frequency of prompts to hold the steering wheel in certain circumstances (e.g., facial recognition impact reduced when wearing a medical mask), increases scenarios where lane change assist can be used, adjusts the speed to help avoid blind spots of other vehicles in adjacent lanes, enhances peripheral recognition using LiDARs, reduces lane change assist activation when standard construction cones or barrels are detected, alerts driver to nearby vehicles at certain highway entrance merging areas during low-speed driving, alerts driver when approaching a much slower vehicle ahead, increases the maximum Advanced Drive set speed to 85 mph.”
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TSB/Document ID: L-SB-0037-22 Rev1
Replacement Service Bulletin Number:
MFR Communication Date: 2024-06-28
MFR Internal Campaign ID/Software Version: L-SB-0037-22 Rev1
Communication Type: Over The Air
NHTSA Components: LANE DEPARTURE: ASSIST
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
L-SB-0037-22
Rev1
August 29, 2022
Advanced Drive Performance Enhancements
Service
Category
ADAS/AD
Advanced Driver Assistance
System
Section
Market USA
Applicability
YEAR(S)
MODEL(S)
2022 - 2023
LS500H
ADDITIONAL INFORMATION
REVISION NOTICE
June 28, 2024 Rev1:
• The Introduction, Required Tools & Equipment, and Software Update Procedure sections
have been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2022 – 2023 model year LS 500h AWD vehicles are equipped with Lexus Advanced Drive.
This system provides driving support through automated steering, acceleration, and braking under
specific operating conditions within controlled access highways. Lexus Advanced Drive utilizes an
array of sensors and cameras, high definitions maps, and the vehicle navigation system to provide
hands-free (SAE level: 2) driving assistance for engaged drivers. Updates to enhance Lexus
Advanced Drive operation or to add features/functions are delivered to the vehicle directly
through the Lexus Enform multimedia head unit (version 4.00 or earlier). The updates include
the following:
•
Enhancements to the detection and response of vehicle merging into the preceding lane.
•
Enhancements to Advance Drive to driver hand-over at lower speeds.
•
Expanded speed range for system operation.
© 2024 Lexus, a division of Toyota Motor Sales, USA
Page 1 of 5
L-SB-0037-22
Rev1
August 29, 2022
Page 2 of 5
Advanced Drive Performance Enhancements
Introduction (continued)
Some 2022 – 2023 model year LS 500h AWD vehicles are equipped with Lexus Advanced Drive.
This system provides driving support through automated steering, acceleration, and braking under
specific operating conditions within controlled access highways. Lexus Advanced Drive utilizes an
array of sensors and cameras, high definitions maps, and the vehicle navigation system to provide
hands-free (SAE level: 2) driving assistance for engaged drivers. Updates to enhance Lexus
Advanced Drive operation or to add features/functions are delivered to the vehicle directly through
the Lexus Enform multimedia head unit (earlier than version 5.00). The updates include
the following:
•
Updates the Advanced Drive messages and displays.
•
Reduces the frequency of prompts to hold the steering wheel in certain circumstances
(e.g., facial recognition impact reduced when wearing a medical mask).
•
Increases scenarios where lane change assist can be used.
•
Adjusts the speed to help avoid blind spots of other vehicles in adjacent lanes.
•
Enhances peripheral recognition using LiDARs.
•
Reduces lane change assist activation when standard construction cones or barrels
are detected.
•
Alerts driver to nearby vehicles at certain highway entrance merging areas during
low-speed driving.
•
Alerts driver when approaching a much slower vehicle ahead.
•
Increases the maximum Advanced Drive set speed to 85 mph.
The release notes text below will be displayed to the customer:
“Updates the Advanced Drive messages and displays, reduces the frequency of prompts to hold
the steering wheel in certain circumstances (e.g., facial recognition impact reduced when wearing
a medical mask), increases scenarios where lane change assist can be used, adjusts the speed to
help avoid blind spots of other vehicles in adjacent lanes, enhances peripheral recognition using
LiDARs, reduces lane change assist activation when standard construction cones or barrels are
detected, alerts driver to nearby vehicles at certain highway entrance merging areas during
low-speed driving, alerts driver when approaching a much slower vehicle ahead, increases the
maximum Advanced Drive set speed to 85 mph.”
Follow the Software Update Procedure section in this bulletin to complete these updates.
© 2024 Lexus, a division of Toyota Motor Sales, USA
L-SB-0037-22
Rev1
August 29, 2022
Page 3 of 5
Advanced Drive Performance Enhancements
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EL9074
Software Update
1.3
86111-50371
87
74
APPLICABLE WARRANTY
• This repair is covered under the Lexus Comprehensive Warranty. This warranty is in effect for
48 months or 50,000 miles, whichever occurs first, from the vehicle’s in-service date.
• Warranty application is limited to customers request for support in downloading latest version
of Lexus Advance Drive. Download process and applicability is outlined in this
service bulletin.
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream ADVi*
Techstream 2.0
Techstream Lite
PART NUMBER
QTY
TSADVUNIT
ADE
Techstream Lite (Green Cable)
TS2UNIT
TSLITEPDLR01
1
TSLP2DLR01
*Essential SST.
NOTE
• Only ONE of the Techstream units listed above is required.
• GTS+ Software version 2024.02.004.02 or later is required.
• Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787 or by visiting TIS – Diagnostics – Tools & Equipment – Techstream Order Portal.
© 2024 Lexus, a division of Toyota Motor Sales, USA
L-SB-0037-22
Rev1
August 29, 2022
Page 4 of 5
Advanced Drive Performance Enhancements
Software Update Procedure
1. BEFORE downloading the latest version of Lexus Advanced Drive, confirm the vehicle has a
strong cellular signal as the update is done via Over the Air (OTA), NOT Techstream.
NOTE
Move the vehicle outside if the building is causing a weak cell signal. The download can take up to
1 hour. Ensure you are parked in a safe location.
2. Turn the vehicle ON (key ON engine ON).
CAUTION
If the update is being performed indoors, ensure that the exhaust extraction vents have
been attached.
3. Select Apps on the multimedia home screen.
Figure 1.
4. Navigate to the Services page within the
Enform App Suite and select the SWUapl icon.
5. Once synced, select Next to go to the Terms
of service page.
6. Select Agree; this will start the
download process.
Figure 2. Download Process
NOTE
• This can take several minutes.
• Steps 5 and 6 are ONLY required during the
first OTA update.
© 2024 Lexus, a division of Toyota Motor Sales, USA
L-SB-0037-22
Rev1
August 29, 2022
Advanced Drive Performance Enhancements
Software Update Procedure (continued)
7. Once the download has completed, confirm
the current and NEW versions of the software
match the below table and select Update to
start the installation.
Figure 3.
Table 1.
TYPE
CURRENT
VERSION
NEW
VERSION
Advanced
Drive
earlier than
4.00 (0030003)
5.00
(0030004)
8. Once the installation has completed, the
bottom notification window will show “Software
update complete.”
Figure 4.
9. Cycle the ignition to IG-OFF and back
to IG-ON.
10. Using GTS+, perform a Health Check to
confirm there are NO system issues or DTCs
present once the download is complete.
© 2024 Lexus, a division of Toyota Motor Sales, USA
Page 5 of 5
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