L-SB-0051-23

October 17, 2023

Warning Message to Apply Brake when Shifting out of
Park into Drive or Reverse
Service
Category

Drivetrain

Section

Automatic Transmission/Transaxle

Market USA and

Mexico

Applicability
YEAR(S)

MODEL(S)

ADDITIONAL INFORMATION

2022 - 2024

NX250, NX350

Introduction

Some 2022 – 2024 model year NX 250 and NX 350 vehicles may exhibit a warning message on
the Multi-information Display (MID) to apply the brakes when shifting out of Park into Drive or
Reverse. The transmission floor shift assembly (SBW ECU) logic has been modified to reduce the
possibility of this condition. Follow the Repair Procedure in this bulletin to reprogram the
transmission floor shift assembly.

Production Change Information

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

MODEL

DRIVETRAIN

PRODUCTION CHANGE EFFECTIVE VIN

NX 250

JTJ#DCAZ#R5015454

NX 350

JTJ#GCEZ#R5006373

Tahara
JTJ#GCEZ#P2009057
Kyushu

NX 350
All

JTJ#GCEZ#N2008628
2T2#DCAZ#PC005617

NX 250
TMMC

2T2#DCEZ#PC003946
NX 350

2T2#GCEZ#PC029664

© 2023 Lexus, a division of Toyota Motor Sales, USA

Page 1 of 5

L-SB-0051-23

October 17, 2023

Page 2 of 5

Warning Message to Apply Brake when Shifting out of Park into Drive or
Reverse
Table of Contents





Warranty Information ...............................................................................................................3


For USA Market .................................................................................................................3



For Mexico Market .............................................................................................................3

Parts Information .....................................................................................................................4


For USA and Mexico Markets.............................................................................................4



Required Tools & Equipment ...................................................................................................4



Calibration Information.............................................................................................................5



Repair Procedure ....................................................................................................................5

© 2023 Lexus, a division of Toyota Motor Sales, USA

L-SB-0051-23

October 17, 2023

Page 3 of 5

Warning Message to Apply Brake when Shifting out of Park into Drive or
Reverse
Warranty Information
For USA Market
OP CODE

DESCRIPTION

TIME

OFP

T1

T2

TC2301

Reprogram the Transmission Floor
Shift Assembly (SBW ECU)

0.8

33550-#####*

8C

99

*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 (USA)
 This repair is covered under the Lexus Basic 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 occurrence of the specified condition described in
this bulletin.

For Mexico Market
OP CODE

DESCRIPTION

TIME

OFP

T1

T2

TC2301

Reprogram the Transmission Floor
Shift Assembly (SBW ECU)

0.8

33550-#####*

8C

99

*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 (MEXICO)
 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.

© 2023 Lexus, a division of Toyota Motor Sales, USA

L-SB-0051-23

October 17, 2023

Page 4 of 5

Warning Message to Apply Brake when Shifting out of Park into Drive or
Reverse
Parts Information
For USA and Mexico Markets
PART NUMBER
PREVIOUS

NEW

33550-78030

33550-78031

33550-F6010

PART NAME

QTY

Floor Shift Assembly, Transmission

–

33550-F6012
33550-F6011
NOTE
The transmission floor shift assembly should NOT be replaced as part of the Repair Procedure.

Required Tools & Equipment
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.
 Software version 2023.03.002.02 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).
 Use Techstream or an approved J2534 interface to perform flash reprogramming updates.
Visit techinfo.toyota.com for more information regarding J2534 reprogramming.
SPECIAL SERVICE TOOLS (SST)

PART NUMBER

QTY

Battery Diagnostic Tool*

DCA-8000P T

1

*Essential SST.

NOTE
Additional SSTs may be ordered by calling 1-800-933-8335 (USA) or 01-800-504-5330 (Mexico).

© 2023 Lexus, a division of Toyota Motor Sales, USA

L-SB-0051-23

October 17, 2023

Page 5 of 5

Warning Message to Apply Brake when Shifting out of Park into Drive or
Reverse
Calibration Information
CALIBRATION ID
MODEL

NX 250, NX 350

ECU

Gear Shift Control Module “A”

PREVIOUS

NEW

894EF7801000

894EF7801300

Repair Procedure

1. Confirm the condition exists.
Does the vehicle exhibit a warning message on the MID to apply the brakes when shifting
out of Park into Drive or Reverse?


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 transmission floor shift assembly (SBW ECU) has been updated.
Is the calibration ID listed in GTS+ the latest transmission floor shift assembly calibration?


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



NO — Continue to step 3.

3. Flash reprogram the transmission floor shift assembly.
NOTE
 The battery diagnostic tool MUST be used in Power Supply mode to maintain battery voltage at
13.0 – 13.5V while flash reprogramming the vehicle.
 For details on how to use the battery diagnostic tool, refer to the DCA-8000 Instruction Manual
located at TIS – Diagnostics – Tools & Equipment – Battery Diagnostics.

Follow the procedures outlined in L-SB-0036-22 GTS+ ECU Flash Reprogramming With
Security Signature and flash the transmission floor shift assembly with the NEW calibration
file update.

4. Test-drive the vehicle to confirm normal vehicle operation and there are no DTCs present.

© 2023 Lexus, a division of Toyota Motor Sales, USA