NHTSA ID Number: 11028709

Manufacturer Communication Number: 23TD01

TSB/Document Date: 2026-02-11


Summary

23TD01 Expired on December 31, 2025 TECHNICAL INSTRUCTIONS FOR LIMITED SERVICE CAMPAIGN 23TD01 LICENSE PLATE BRACKET CLIPS INTERFERE WITH LOWER GRILLE ASSEMBLY 2023 COROLLA HATCHBACK


If the PDF is very large, it may not load in the preview below.

Download PDF [1.36 MB]


Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.

If the TSB PDF does not show, download or view it on the NHTSA Website.

Click on the (+) Plus Sign

Then Click on Associated Document(s)


Bestseller No. 1
Autel Scanner MaxiCOM MK808S: 2026 Bidirectional Tool as MK808BT Pro MX808S M808Z, Work as MaxiCheck MX900 MK900BT, 28+ Service, Active Test, All System Diagnose, Injector C0ding, FCA Autoauth OS 11
  • 💝【Questions? We’re Here Anytime】MK808S is a...
  • 🔥🔥🔥【2026 NEWLY RELEASED BI-DIRECTIONAL...
  • 【28+ MOST POPULAR RESET SERVICE FOR 150 MAKES】Autel...
  • 【ALL SYSTEM DIAGNOSTICS, FACTORY-LEVEL SCANNER】The...
  • 【AUT0 SCAN & AUT0V1N, 10X FASTER】How much have you spent...
Bestseller No. 2
Autel Scanner MaxiCOM MK900BT, 2026 MK900-BT V2.0 Bidirectional Diagnostic Tool, 8in Up of MK900 MX900 MK808S MK808BT MX808S MK808Z, 3000+ Active Tests, 40+ Service, CAN-FD&DOIP, All System, FCA 11 OS
  • 💯【Conta.ct us for Support Directly】If you met any...
  • 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
  • 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
  • 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
  • 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...

Search NHTSA Database for Recalls

View Latest Recalls


Search NHTSA Database for Vehicle Investigations

View Latest Vehicle Investigations


Search NHTSA Database for Vehicle Complaints

View Latest Vehicle Complaints


TSB/Document ID: 23TD01

Replacement Service Bulletin Number:

MFR Communication Date: 2026-01-01

MFR Internal Campaign ID/Software Version: 23TD01

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: STRUCTURE:BODY

MFR Component System:

MFR Component Subsystem:


Previous TSB

Next TSB



20
25
1,

be

FOR

r3

TECHNICAL INSTRUCTIONS

LIMITED SERVICE CAMPAIGN 23TD01

ec

em

LICENSE PLATE BRACKET CLIPS INTERFERE WITH LOWER GRILLE
ASSEMBLY

pi
re
d

on

D

2023 COROLLA HATCHBACK

Ex

The repair quality of covered vehicles is extremely important to Toyota. All dealership technicians
performing this recall are required to successfully complete the most current version of the E-Learning
course “Safety Recall and Service Campaign Essentials”. To ensure that all vehicles have the repair
performed correctly; technicians performing this recall repair are required to currently hold at least one
of the following certification levels:
• TIC206A – Electrical Repair 1

23
TD
01

It is the dealership’s responsibility to select technicians with the above certification level or greater to
perform this recall repair. Carefully review your resources, the technician skill level, and ability before
assigning technicians to this repair. It is important to consider technician days off and vacation schedules
to ensure there are properly trained technicians available to perform this repair at all times.

I.

OPERATION FLOW CHART

The flow chart is for reference only. DO NOT use it in place of the full technical instructions. Follow ALL steps as
outlined in the full technical instructions to confirm the campaign is completed correctly.
Not Covered

No Further Action Required

Yes

Remove the Front Bumper Extension Mounting
Bracket

20
25

Verify Vehicle Eligibility
1.Check the VIN range.
2. Check the TIS Vehicle Inquiry System.

r3

Is the front bumper extension mounting bracket
installed on the lower grille assembly?

1,

Covered

Yes

em

Does the customer have the front bumper
extension mounting bracket?

be

No

D

Order the NEW front bumper extension
mounting bracket.

ec

No

on

Covered

pi
re
d

Inspect the front bumper extension mounting
bracket.
NG

OK

23
TD
01

Ex

Cut down the dowel and 2 clips.

Restore the vehicle.

Campaign Completed, return the vehicle to the
customer.

1

II. IDENTIFICATION OF AFFECTED VEHICLES
1.

20
25

CHECK VEHICLE FOR CAMPAIGN ELIGIBILITY
a) Compare the vehicles VIN to the VIN listed on the Repair Order to ensure they match.
b) Check the TIS Vehicle Inquiry System to confirm the VIN is involved in this Campaign, and that it has not
already been completed.
NOTICE:
TMNA warranty will not reimburse dealers for repairs completed on vehicles that are not affected or were
previously completed, even by another dealer.
TOOLS, SUPPLIES & EQUIPMENT

Standard Hand Tools
Protective Eyewear

Protective Gloves
Diagonal Cutters

23
TD
01

Ex

pi
re
d

on

D

ec

em

be

IV. BACKGROUND


r3

A.

1,

III. PREPARATION

2

FRONT LICENSE PLATE

ec

*2

Ex

pi
re
d

on

D

BRACKET, FRONT BUMPER EXTENSION
MOUNTING

23
TD
01

*1

em

be

r3

1,

20
25

V. COMPONENTS

3

VI. WORK PROCEDURE
CHECK IF THE FRONT BUMPER EXTENSION
MOUNTING BRACKET IS INSTALLED ON THE
LOWER GRILLE ASSEMBLY
a) Check the lower grille assembly to see if the front
bumper extension mounting bracket is installed.

Remove the front bumper extension
mounting bracket at the next step, and then
go to 5. FRONT BUMPER EXTENSION
MOUNTING BRACKET INSPECTION.

No

ec

em

Go to 3. CHECK IF THE CUSTOMER HAS THE
FRONT BUMPER EXTENSION MOUNTING
BRACKET.

REMOVE THE FRONT BUMPER EXTENSION MOUNTING BRACKET
a) Remove the 2 self-tapping screws, front license plate and the front bumper extension mounting bracket from
the lower grill.
b) Go to 5. FRONT BUMPER EXTENSION MOUNTING BRACKET INSPECTION.

CHECK IF THE CUSTOMER HAS THE FRONT BUMPER EXTENSION MOUNTING BRACKET
a) Check if the customer has the front bumper extension mounting bracket.
HINT:
The bracket is typically located in the luggage compartment of the new vehicle.

pi
re
d

3.

on

D

2.

r3

Is the front bumper extension
mounting bracket installed on the
lower grille assembly?

be

Yes

1,

20
25

1.

Ex

Yes

Does the customer have the front
bumper extension mounting
bracket?

23
TD
01

Go to 5. FRONT BUMPER EXTENSION
MOUNTING BRACKET INSPECTION.

No

Go to 4. ORDER THE NEW FRONT BUMPER
EXTENSION MOUNTING BRACKET.

Notice: If the state you are in does not require a front license plate, check with the customer before installing the
plate bracket onto the bumper. If they prefer, you can hand the customer the modified plate for safe keeping if they
prefer.

4.

ORDER THE NEW FRONT BUMPER EXTENSION MOUNTING BRACKET
a) Order the NEW front bumper extension mounting bracket.
b) Go to 5. FRONT BUMPER EXTENSION MOUNTING BRACKET INSPECTION.

4

FRONT BUMPER EXTENSION MOUNTING BRACKET INSPECTION
a) Check if the 2 clips and dowel are cut properly.

r3

Action to take

be

NG

NOT cut properly
(or exists if a new
bracket)

Clip

em

OK

Cut properly
(or does not exist if
ordered a new
bracket)

Picture

Dowel

ec

Result

Go to 7. RESTORE THE
VEHICLE.
Go to 6. CUT THE DOWEL
AND 2 CLIPS OF FRONT
BUMPER EXTENSION
MOUNTING BRACKET.

D

Judgment

1,

20
25

5.

CUT THE DOWEL AND 2 CLIPS OF FRONT BUMPER
EXTENSION MOUNTING BRACKET
a) Using a pair of diagonal cutters, cut down the dowel
as much as possible.
Standard: The dowel is cut down to approx. 4 to
5mm (0.157 to 0.197 in.) from base of bracket
NOTICE:
DO NOT use a knife or razor blade.

b)

Using a pair of diagonal cutters, cut the 2 clips.
(Cut two pieces per clip.)
Standard: The clip is cut flush with the 3 ribbed
area

23
TD
01

Ex

pi
re
d

on

6.

c)

Check the 2 clips and dowel are cut properly.

5

20
25
r3

D

ec

em

HINT:
If the bracket does not fit flush with the grille, go back to step a).

1,

Check and confirm that the bracket now fits flush with the lower grille assembly. Confirm that the dowel and
2 clips no longer contact the grille.

be

d)

RESTORE THE VEHICLE
a) Install 2 self-tapping screws through round hole on front license plate and front bumper extension mounting
bracket to the lower grille.

on

7.

pi
re
d

◄ VERIFY REPAIR QUALITY ►

23
TD
01

Ex

- Confirm the bracket is flush with the grill
- If you have any questions regarding this update, please contact your area representative.

VII. APPENDIX
A. CAMPAIGN DESIGNATION DECODER
6

T

A

01

Year Campaign
is Launched

Vehicle Make

Field Action Category and Phase

Field Action Sequence

r3

(May use other characters in unique cases)

(The sequence is unique for each Field
Action category)
(May use other characters in unique
cases)

be

T = Toyota
L = Lexus

01 = 1st Field Action of the year
02 = 2nd Field Action of the year
03 = 3rd Field Action of the year

A = Safety Recall Remedy
B = Safety Recall Interim
C = Special Service Campaign
D = Limited Service Campaign
E = Customer Support Program
F = Emissions Recall

em

19 = 2019
20 = 2020
21 = 2021
22 = 2022
23 = 2023
Etc...

1,

19

20
25

23TD01

23
TD
01

Ex

pi
re
d

on

D

ec

Examples:
19TA01 = Launched in 2019, Toyota, Safety Recall Remedy Phase, 1st Safety Recall Launched in
2019
20TC02 = Launched in 2020, Special Service Campaign, 2nd Special Service Campaign Launched
in 2020
21TE05 = Launched in 2021, Customer Support Program, 5th Customer Support Program
Launched in 2021

7

1


Bestseller No. 1
ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)
  • CEL Doctor: The ANCEL AD310 is one of the best-selling OBD II scanners on the market and is recommended by Scotty Kilmer, a YouTuber and auto mechanic. It can easily determine the cause of the check engine light coming on. After repairing the vehicle's problems, it can quickly read and clear diagnostic trouble codes of emission system, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information.
  • Sturdy and Compact: Equipped with a 2.5 foot cable made of very thick, flexible insulation. It is important to have a sturdy scanner as it can easily fall to the ground when working in a car. The AD310 OBD2 scanner is a well-constructed mechanic tool with a sleek design. It weighs 12 ounces and measures 8.9 x 6.9 x 1.4 inches. Thanks to its compact design and light weight, transporting the device is not a problem. The buttons are clearly labelled and the screen is large and displays results clearly.
  • Accurate Fast and Easy to Use: The AD310 scanner can help you or your mechanic understand if your car is in good condition, provides exceptionally accurate and fast results, reads and clears engine trouble emission codes in seconds after you fixed the problem. This device will let you know immediately and fix the problem right away without any car knowledge. No need for batteries or a charger, get power directly from the OBDII Data Link Connector in your vehicle.
  • OBDII Protocols and Car Compatibility: Many cheap scan tools do not really support all OBD2 protocols. AD310 scanner as it can support all OBDII protocols such as KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. This device also has extensive vehicle compatibility with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN vehicles both domestic and foreign. Pls confirm with our customer service whether it is compatible with your vehicle before purchasing.
  • Home Necessity and Worthy to Own: This is an excellent code reader to travel or home with as it weighs less and it is compact in design. You can easily slide it in your backpack as you head to the garage, or put it on the dashboard, this will be a great fit for you. The AD310 is not only portable, but also accurate and fast in performance. Moreover, it covers various car brands and is suitable for people who just need a code reader to check their car.
Bestseller No. 2
MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow
  • Multi-Functions - Practical Multi-Functions OBD2 code reader features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
  • Wide Capability - Supports 9 protocols compatible with most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports 6 languages - English,German, Dutch, Spanish, French, Italian.
  • 2.8" LCD Display - Designed with a clear display 2.8" Large LCD screen - white backlight and contrast adjustment. No need any battery or charger, OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector.
  • Compact Design - Car diagnostic scanner is equipped with a 2.5 feet long cable and made of a very thick flexible insulator.There are 6 buttons on OBD2 Scanner:scroll up/down,enter/exit and buttons that quick query VIN vehicle number& the DTC fault code.
  • ABS / Airbag codes NOT Supported - It is able to read and clear check engine information which is part of OBDII system, but it cannot work with non-OBDII systems, including ABS / Airbag / Oil Service Light, etc.
Bestseller No. 3
FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light
  • 【Your Personal CEL Doctor – Read & Clear Engine Codes】The NT301 OBD2 scanner lets you read diagnostic trouble codes (DTCs), check em-issions readiness, turn off your Check Engine Light (CEL) or MIL, reset monitors, and view live data streams. It retrieves your vehicle's VIN instantly. Like all standard OBD2 scanners, it clears codes only after repairs are completed—if the issue persists, the code will return. Designed for DIYers who want to understand what’s really going on under the hood.
  • 【Easy Code Reading – Just Plug & Play】Simply plug into the OBD2 port, turn the ignition to “ON” (engine off), and select the correct menu: Select OBDII-> Wait for seconds-> Select Read codes. For accurate results, ensure your vehicle is compatible and the OBD2 port is free from damage or wiring issues. No batteries needed— powered directly by your car.
  • 【Live Data Graphing & Accuracy for Most OBD2 Vehicles】View and log live sensor data in graph form—monitor oxygen sensors, fuel trims, coolant temp, RPM, and more. Spot trends and suspicious values in real time. Compatible with most 1996+ gasoline cars, light trucks, and SUVs sold in the U.S., as well as many 2000+ European and Asian models. Also works on 12V diesel vehicles equipped with OBD2.
  • 【S-mog Check Helper – Know Your Readiness Status at a Glance】With dedicated I/M readiness hotkeys and a simple Red-Yellow-Green LED indicator, you’ll instantly know if your vehicle is ready for em-issions testing. Built-in speaker provides audio feedback. No guesswork—just confidence before you head to the test center.
  • 【A Must-Have Tool for Every Home Mechanic】Compact, rugged, and ready to use right out of the box. The 2.8” color screen is easy to read, even in daylight. No charging or setup required—just plug into the 16-pin DLC and start diagnosing. Recommended by professional mechanics on YouTube and trusted by DIYers worldwide.

Last update on 2026-03-23 / Affiliate links / Images from Amazon Product Advertising API


 

This product presentation was made with AAWP plugin.

Share to...