L-SB-0007-25

January 28, 2025

MIL ON With P030000, P030027, and/or P030085
Service
Category

Engine/Hybrid System
Market USA and

Section

Mexico

Engine Control

Applicability
YEAR(S)

MODEL(S)

2022 - 2024

LX600

ADDITIONAL INFORMATION

Introduction

Some 2022 – 2024 model year LX 600 vehicles may exhibit a MIL ON condition with one or more
of the following Diagnostic Trouble Codes (DTCs) present:


P030000 – Random/Multiple Cylinder Misfire Detected



P030027 – Random/Multiple Cylinder Misfire Detected (Emission) Signal Rate of Change
Above Threshold



P030085 – Random/Multiple Cylinder Misfire Detected (Over Temperature) Signal Above
Allowable Range

The Engine Control Module (ECM) (SAE term: Powertrain Control Module / PCM) logic has been
modified to address this condition. Follow the Repair Procedure in this bulletin to address
the condition.

Production Change Information

This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs
shown below.
MODEL

PRODUCTION CHANGE EFFECTIVE VIN

LX 600

JTJ#B#CX#R4047265

© 2025 Lexus, a division of Toyota Motor Sales, USA

Page 1 of 4

L-SB-0007-25

January 28, 2025

Page 2 of 4

MIL ON With P030000, P030027, and/or P030085
Warranty Information
For USA Market
OP CODE

DESCRIPTION

TIME

OFP

T1

T2

EL2432

Reprogram the ECM (PCM)

0.7

89666-60###*

8A

74

*Warranty claim MUST be submitted with the correct 10-digit OFP. Choose the correct OFP for the vehicle being
repaired by searching for the parts in the Electronic Parts Catalog using the VIN filter.

APPLICABLE WARRANTY
 This repair is covered under the Lexus Federal Emission Warranty. This warranty is in effect for
96 months or 80,000 miles, whichever occurs first, from the vehicle’s in-service date.
 Warranty application is limited to occurrence of the specified condition described in
this bulletin.

For Mexico Market
OP CODE

DESCRIPTION

TIME

OFP

T1

T2

EL2432

Reprogram the ECM (PCM)

0.7

89666-60###*

8A

74

*Warranty claim MUST be submitted with the correct 10-digit OFP. Choose the correct OFP for the vehicle being
repaired by searching for the parts in the Electronic Parts Catalog using the VIN filter.

APPLICABLE WARRANTY
 This repair is covered under the Lexus Basic Warranty. This warranty is in effect for
48 months or 80,000 kilometers, whichever occurs first, from the vehicle’s in-service date.
 Warranty application is limited to occurrence of the specified condition described in
this bulletin.

Parts Information
PART NUMBER

PART NAME

QTY

89666-60###

Computer, Engine Control (ECM/PCM)

–

NOTE
The ECM (PCM) should NOT be replaced as part of the Repair Procedure.

© 2025 Lexus, a division of Toyota Motor Sales, USA

L-SB-0007-25

January 28, 2025

Page 3 of 4

MIL ON With P030000, P030027, and/or P030085
Required Tools & Equipment
SPECIAL SERVICE TOOLS (SST)

PART NUMBER

QTY

DCA-8000 Battery Diagnostic Tool*

DCA-8000P T

1

*Essential SST.

NOTE
Additional SSTs may be ordered by calling 1-800-368-6787 (USA) or 01-800-504-5330 (Mexico) or by
visiting Home – Service Resources – Lexus Special Service Tools (SSTs).

REQUIRED EQUIPMENT

SUPPLIER

PART NUMBER

Techstream ADVI*

QTY

TSADVUNIT

Techstream 2.0

TS2UNIT
ADE

1

Techstream Lite

TSLITEPDLR01

Techstream Lite (Green Cable)

TSLP2DLR01

*Essential SST.

NOTE
 Only ONE of the Techstream units listed above is required.
 GTS+ software version 2024.04.004.02 or later is required.
 Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787 (USA) or 01-55-50103041 (Mexico) or by visiting TIS – Diagnostics –
Tools & Equipment – Techstream Order Portal.
 Use Techstream or an approved J2534 interface to perform flash reprogramming updates.
Visit techinfo.toyota.com for more information regarding J2534 reprogramming.

Calibration Information
CALIBRATION ID
MODEL

LX 600

MODEL YEAR

2022 – 2024

PREVIOUS

NEW

896636A13000
896636A13100
896636AK3000
896636A13200

896636AK3100

© 2025 Lexus, a division of Toyota Motor Sales, USA

L-SB-0007-25

January 28, 2025

Page 4 of 4

MIL ON With P030000, P030027, and/or P030085
Repair Procedure

1. Confirm the condition exists.
Does the vehicle exhibit a MIL ON condition with ANY of the following DTC(s)?


P030000 – Random/Multiple Cylinder Misfire Detected



P030027 – Random/Multiple Cylinder Misfire Detected (Emission) Signal Rate of Change
Above Threshold



P030085 – Random/Multiple Cylinder Misfire Detected (Over Temperature) Signal Above
Allowable Range



YES — Continue to step 2.



NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.

2. Use GTS+ to confirm if the ECM (PCM) calibration has been updated.
Is the calibration ID listed in GTS+ the latest ECM (PCM) calibration?


YES — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.



NO — Continue to step 3.

3. Flash reprogram the ECM (PCM).
NOTE
 The battery diagnostic tool MUST be used in Power Supply Mode to maintain battery voltage
at 13.5V while flash reprogramming the vehicle.
 For details on how to use the battery diagnostic station, refer to the DCA-8000 Instruction Manual
located at TIS – Diagnostics – Tools & Equipment – Battery Diagnostics.

Follow the procedures outlined in Service Bulletin L-SB-0036-22, GTS+ ECU Flash
Reprogramming with Security Signature, and flash reprogram the ECM (PCM) with the NEW
calibration file update.

4. Using GTS+, clear ANY DTCs and test-drive the vehicle to confirm the condition has
been addressed.

© 2025 Lexus, a division of Toyota Motor Sales, USA