IMPORTANT UPDATE

TECHNICAL INSTRUCTIONS
FOR
SPECIAL SERVICE CAMPAIGN 19TC06

ENGINE ECU REPROGRAM
CERTAIN
2020 CAMRY
2020 AVALON

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:

• Certified (any specialty)
• Expert (any specialty)
• Master
• Master Diagnostic Technician
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
Verify Vehicle Eligibility

1. Confirm vehicle VIN matches
the RO.
2. Check Vehicle Inquiry System for
Campaign eligibility.

Not Covered

No further action required.

Covered

Perform Health Check. Is a Update
available for the Engine and/or
Transmission Systems?

NO

YES

Update the Engine / Transmission
CID s

Perform Verification Heath Check

Campaign complete.
Return the vehicle to the customer.

II. IDENTIFICATION OF AFFECTED VEHICLES
•
•

Check the TIS Vehicle Inquiry System to confirm the VIN is involved in this Campaign, and
that it has not already been completed prior to dealer shipment or by another dealer.
TMS warranty will not reimburse dealers for repairs completed on vehicles that are not
affected or were completed by another dealer.

III. PREPARATION
A. TOOLS, SUPPLIES & EQUIPMENT
•
•
•
•

Standard Hand Tools
Techstream 2.0 / TIS Techstream / Techstream Lite
GR8 Battery Diagnostic Station
T-SB-0134-16

B. PARTS
The only parts required for this campaign is the label below
Part Number
Part Description
Quantity
00451-00001-LBL
Authorized Modification Label*
1
*Labels can be ordered in packs of 25 from the MDC through Dealer Daily website.

IV. BACKGROUND
The engine ECU in the involved vehicles may have be programmed incorrectly. As a result, this
incorrect programming may not conform with the programming used when the vehicle was
certified with the Environmental Protection Agency (EPA).
2

V. DETERMINE STATUS OF CURRENT CALIBRATION
1. CHECK FOR DTC’S
a. Using a Techstream, perform a Health Check to check for any
Diagnostic Trouble Codes.
Note: This Campaign covers only the Calibration ID update to the Engine
and Transmission systems, as detailed in these instructions. It does not
cover the diagnosis or replacement of any other issues on the vehicle,
including the engine control system.

2. CHECK CURRENT CALIBRATION
a. Locate the Update column for the Engine and Transmission System’s in the Stored Data
tab for this vehicle.
b. Determine the status of an available update for the Engine and/or Transmission System’s;
indicated by a YES or NO.

YES

Is there an update available to the
Engine and/or Transmission
System?

Proceed to Section VI. Vehicle
Preperation on p. 4

No

No update is necessary.
Campaign is complete.

3

VI. VEHICLE PREPERATION
1. VEHICLE PREPARATION
a. Confirm the following conditions:
• Vehicle in the IG position (engine off).
• Transaxle in Park.
• Parking brake engaged.
• Turn off all electrical accessories (i.e. climate control, audio system, etc.)
• Headlight switch in the DRL OFF position.
• Windshield wiper switch in the OFF position.
2. CONNECT THE 12v BATTERY TO A POWER SUPPLY (GR8)
a. Connect the GR8 or other type of a power supply (not a battery charger) to the 12v battery.
b. Select the Power Supply Mode from the Charge Menu of the GR8.
A power supply MUST be used during reprogramming. ECU
damage will occur if the battery voltage is not properly
maintained during this re-flash procedure.
Note: A power supply must be connected directly to the 12v battery terminals and NOT the
remote jump posts under the hood (if equipped).

3. VERIFY TECHSTREAM SETUP
a. Verify that the Techstream meets the following conditions:
• The latest version of software is loaded.
• The Techstream battery is fully charged. If not, connect the Techstream to a 120v
source.
• The DLCIII cable is in good condition.
The Techstream’s battery voltage must be maintained during the
update procedure. If necessary, plug the Techstream into a 120v
outlet during this procedure.
Note: If the Techstream’s communication with the vehicle fails during the update
procedure, the Engine ECU will be damaged.
The CID Update Procedure is detailed in T-SB-0134-16. Please reference this Bulletin for more
detailed procedures and information.

4. DISCONNECT COOLING FAN
a. Disconnect the electrical connector from the cooling
fan ECU on the radiator fan shroud.
If the cooling fans run during the
Calibration update procedure, the battery
voltage will be inconsistent and could
cause damage to the control module(s).

Camry shown. Avalon is similar.

4

VII.

UPDATE CALIBRATION

1. UPDATE THE CID’S FOR THE ENGINE AND TRANSMISSION SYSTEMS
a. Identify the vehicles Original CID for the Engine and Transmission System on the Stored Data
tab.

Original CID

b. Locate the vehicles Original CID in the chart on the following page.
c. Select the corresponding NEW CID link to load the update.
d. Follow the on-screen instructions to complete the Calibration Update procedure.
The CID Update Procedure is detailed in T-SB-0134-16 Please reference this Bulletin for more
detailed procedures and information.

MODEL

SYSTEM

ORIGINAL CID

Engine

8966306Q3000

NEW CID (Engine/Transmission)

8966306Q3100 / 896650673100

CAMRY
Transmission

896650673000

Engine

896630735000

Transmission

896650706000

AVALON

896630735100 / 896650706100

Note: If the ECM already has the New CID’s, no update is necessary.
The CID Update Procedure is detailed in T-SB-0134-16. Please reference this Bulletin for more
detailed procedures and information.

5

VIII. COMPLETE REPAIR
1. CONNECT COOLING FAN
a. Connect the electrical connector to the cooling fan ECU on
the radiator fan shroud.

Camry shown. Avalon is similar.

2. PERFORM VERIFICATION HEALTH CHECK
a. Using a Techstream, perform a Health Check.
b. Clear DTC’s that may have set during the re-flash
procedure.
c. Re-run the Health Check to confirm that no DTC’s
reappear.
THIS VERIFICATION HEALTH CHECK IS
NECESSARY to update the results and CID’s
to the National database.
3. CONFIRM CID UPDATE
a. On the Stored Data tab, confirm the following for the Engine and Transmission Systems:
•
•

The Calibration number has the “New CID” number.
The “Update” column says “No”

New CID’s
MUST be
displayed

Update must
say “No”

6

4. PRINT CUSTOMER HEALTH CHECK REPORT
a. From the Stored Data tab, select the Customer Health Check Report button (TIS will launch
when button is pressed).

Customer Health
Check Button

b.
c.
d.
e.
f.
g.
h.

Log in to TIS.
Input Vehicle Mileage and Repair Order number.
Check the “Performed” campaign button for campaign KLA.
Select the Report button.
Confirm Customer Health Check Report information is correct.
Print Customer Health Check Report from TIS.
Sign and provide to the customer.

5. ATTACH THE AUTHORIZED VEHICLE MODIFICATION LABEL
a. Fill out the label.
b. Affix the label to the under-side of the hood.

1
2
3
4
5

Engine & Trans
Calibration Update
(Dealer Code)
(Date Completed)
19TC06

IX. REASSEMBLY
1. REMOVE THE POWER SUPPLY FROM THE BATTERY

◄ VERIFY REPAIR QUALITY ►

− Confirm the cooling fans are re-connected.
− Confirm the system Calibration has been updated successfully.
− Confirm there are no DTC’s after the Calibration update.
7

X. APPENDIX
A. PARTS DISPOSAL
In accordance with Federal law, please make sure all recalled parts (original parts) removed
from the vehicle are disposed of in a manner in which they will not be reused, unless
requested for parts recovery return.

Campaign Designation / Phase Decoder

19TA01
19

T

A

01

Year Campaign
is Launched

Vehicle Make

Field Action Category and Phase

Field Action Sequence

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

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

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

T = Toyota
L = Lexus

(May use other characters in unique
cases)

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

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

8