NHTSA ID Number: 11011641
Manufacturer Communication Number: 22TD01
TSB/Document Date: 2024-12-07
Summary
TECHNICAL INSTRUCTIONS LIMITED SERVICE CAMPAIGN 22TD01 SOFTWARE UPDATE FOR EV CONTROL COMPUTER CERTAIN 2021 MODEL YEAR MIRAI VEHICLES 22TD01 Expired on November 11, 2024
NOTE: A power supply must be connected directly to the 12V battery terminals and NOT the remote jump
posts under the hood (if equipped).
C. VERIFY TECHSTREAM SETUP
i. 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.
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The Techstream’s battery voltage must also be maintained during the re-flash procedure. If
necessary, plug the Techstream into a 120v outlet during this procedure.
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8. UPDATE CALIBRATION
1,
20
24
A. CONFIRM THE CALIBRATION ID
i. Confirm the current calibration ID in the EV.
r1
The calibration IDs to re-flash in this campaign are as shown in the table below.
be
Calibration ID
Current Calibration ID
New Calibration ID
899836216100
899836216200
899836216300
899836216400
899856202000
899856202100
899836216500/
899856202200
em
System
Main
ov
N
Sub
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B. REFLASH THE EV CONTROL ECU
i. Click yes on the health check results screen, or follow the links on the table above the begin the reflash
process.
NOTE:
Reflash failure should be extremely rare and can be avoided by following all instructions and
reprogramming best practices.
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9. COMPLETE REPAIR
A.
DISCONNECT THE DCA-8000
B.
PERFORM VERIFICATION HEALTH CHECK
Using a Techstream, perform a Health Check.
Clear DTC’s that may have set during the re-flash procedure.
Re-run the Health Check to confirm that no DTC’s reappear.
20
24
i.
ii.
iii.
THIS VERIFICATION HEALTH CHECK IS
NECESSARY to update the results and CID’s
to the National database.
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On the Stored Data tab, confirm the following for the EV:
The Update column lists “No”
ov
em
be
i.
1,
CONFIRM CID UPDATE
C.
on
N
Confirm the CID(s) have been updated successfully to the NEW CID's by someone other than the
individual who performed the repair. Refer to p.4.
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D. Using Techstream, clear ALL DTCs and confirm proper vehicle operation.
NOTE
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If you cannot clear some DTCs, perform the following tasks:
• Turn the vehicle OFF.
• Wait at least 10 minutes.
• Ready ON the vehicle and attempt to clear DTCs again.
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PRINT CUSTOMER HEALTH CHECK REPORT
i. From the Stored Data tab, select the Customer Health Check Report button (TIS will launch when button is
pressed).
20
24
D.
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N
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1,
ii. Log in to TIS.
iii. Input Vehicle Mileage and Repair Order number
iv. Check the “Performed” campaign button for the applicable campaigns completed during this service event.
v. Select the Report button
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on
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ov
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24
vi. Confirm Customer Health Check Report information is correct.
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vii. Print Customer Health Check Report from TIS.
viii. Sign and provide to the customer.
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10.
ATTACH THE AUTHORIZED VEHICLE MODIFICATION LABEL
A. Fill out the label.
B. Affix the label to the under-side of the hood.
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1,
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The authorized modification label only needs to
have the EV Control ECU Information.
Repair ECU P/N*
#####-#####
#####-#####
1
#####-#####
Part # varies by/depends on the vehicle model
and specifications.
2 New EV Control ECU Calibration ID
3 Dealer Code
4 Date Completed
5 Campaign Code (xxx)
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◄ VERIFY REPAIR QUALITY ►
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N
ov
Confirm the system Calibration has been updated successfully.
Confirm there are no DTC’s after the Calibration update.
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−
−
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11. APPENDIX
A. CAMPAIGN DESIGNATION DECODER
T
C
Year Campaign
is Launched
Vehicle Make
Field Action Category and Phase
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A = Safety Recall Remedy
B = Safety Recall Interim
C = Special Service Campaign
D = Limited Service Campaign
E = Customer Support Program
F = Emissions Recall
Field Action Sequence
(May use other characters in unique
cases)
ov
19 = 2019
20 = 2020
21 = 2021
22 = 2022
23 = 2023
Etc...
04
1,
22
20
24
22TD01
(The sequence is unique for each
Field Action category)
(May use other characters in
unique cases)
N
Examples:
01 = 1st Field Action of the year
02 = 2nd Field Action of the year
03 = 3rd Field Action of the year
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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
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TSB/Document ID: 22TD01
Replacement Service Bulletin Number:
MFR Communication Date: 2024-11-11
MFR Internal Campaign ID/Software Version: 22TD01
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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