24-01-030G

GROUP
NUMBER
CAMPAIGN
DATE
Te c h nic a l Se rvic e Bulle t in
SUBJ ECT:
24-01-030G
MODEL(S)
APRIL 2024
GV80 (JX1)
ALL WHEEL DRIVE (AWD) ELECTRONIC CONTROL UNIT (ECU)
CHECK & REPLACEMENT (SERVICE CAMPAIGN T45G)
 IMPORTANT
Retailers must perform this service campaign on all affected vehicles prior to retail delivery to a
guest and whenever an affected vehicle is in the shop for any maintenance or repair.
Access the “Vehicle Information” screen via WebDCS to identify open campaigns.
Description: Certain 2024MY GV80 (JX1) vehicles may have had the incorrect AWD ECU installed.
These vehicles may have the following conditions:
• Minor shift tuning logic
• Auto 4WD is always active
• Activation light does not illuminate on when 4WD is activated
Follow the procedures listed below to inspect, and if necessary, replace the AWD ECU with the
correct part.
Applicable Vehicles (Certain): 2024MY GV80 (JX1) produced from 11/06/2023 – 01/19/2024
Parts Information:
Model
Part Name
Part Number
Figure
Remark
Includes (2) O-ring
gaskets
GV80 (JX1)
AWD ECU
95447-47100
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair
SUBJ ECT:
ALL WHEEL DRIVE (AWD) ELECTRONIC CONTROL UNIT (ECU) CHECK & REPLACEMENT (SERVICE CAMPAIGN T45G)
Warranty Information:
Model
GV80 (JX1)
OP Code
Operation
OP
Time
40D042R0
AWD ECU PART
NUMBER CHECK
0.3
M/H
AWD ECU PART
0.8
40D042R1
NUMBER CHECK
M/H
AND REPLACEMENT
Causal Part
Nature
Code
Cause
Code
95447-47100
B1B
ZZ7
NOTE 1: Submit claim on Claim Entry Screen as “Campaign” type.
NOTE 2: If a part is found in need of replacement while performing this campaign and the
affected part is still under warranty, submit a separate claim using the same repair order. If
the affected part is out of warranty, submit a Prior Approval request for goodwill
consideration prior to performing the work.
NOTE 3: This TSB includes Repair validation photos. Op times include VIN, Mileage, and
Repair validation photos as outlined in the Digital Documentation Policy.
NOTE 4: The incident parts are subject to callback through the normal Warranty Technical
Center (WTC) parts return process. Claim is subject to debit if the part is not returned.
TSB #: 24-01-030G
Page 2 of 12
SUBJECT:
SUBJ ECT:
ALL WHEEL DRIVE (AWD) ELECTRONIC CONTROL UNIT (ECU) CHECK & REPLACEMENT (SERVICE CAMPAIGN T45G)
Service Procedure:
STUI
This TSB includes Repair validation photos. Refer to the latest Warranty Digital Documentation
Policy for requirements.
Refer to the flowchart below for overall procedure.
Vehicle In
=STUI picture required
Inspect Part Number
of AWD ECU
GOOD
Part Number:
95447-47100
Part Number:
95447-47110
GDS
NG
Perform AWD ECU
Value Back Up
Replace AWD ECU
GDS
Write AWD ECU
Values
Vehicle Out
TSB #: 24-01-030G
Page 3 of 12
SUBJECT:
SUBJ ECT:
ALL WHEEL DRIVE (AWD) ELECTRONIC CONTROL UNIT (ECU) CHECK & REPLACEMENT (SERVICE CAMPAIGN T45G)
A. AWD ECU Part Number Check
1.
Lift the vehicle.
2.
Visually inspect the AWD ECU part label (B).
1) If the part number is 95447-47100, continue
to Step 3 below.
2) If the part number is 95447-47110, proceed
to Section B.
GOOD
B
STUI
Using STUI, take a picture of the AWD
ECU part label. Include a piece of paper
with the last six digits of the VIN and date
of repair in the photo. Ensure the picture
is in focus. Upload the photo to STUI.
NO GOOD
3.
Install removed parts in reverse order of
disassembly.
4.
The service procedure is now complete.
TSB #: 24-01-030G
Page 4 of 12
SUBJECT:
SUBJ ECT:
ALL WHEEL DRIVE (AWD) ELECTRONIC CONTROL UNIT (ECU) CHECK & REPLACEMENT (SERVICE CAMPAIGN T45G)
B. AWD ECU Value Backup
1.
Select S/W Management and 4WD Control
within GDS. Perform the “Adaptive Value
BackUp & Input (ECU replacement).”
Shop
Manual
4WD (AWD)
System
General
Information
Repair
Procedure
Step 2 ("In case
of replacing the
ITA (ECU) only"
2.
Select “OK.”
TSB #: 24-01-030G
Page 5 of 12
SUBJECT:
SUBJ ECT:
ALL WHEEL DRIVE (AWD) ELECTRONIC CONTROL UNIT (ECU) CHECK & REPLACEMENT (SERVICE CAMPAIGN T45G)
3.
Ensure the conditions are met and press “OK.”
4.
Select the “BackUp” button.
TSB #: 24-01-030G
Page 6 of 12
SUBJECT:
SUBJ ECT:
ALL WHEEL DRIVE (AWD) ELECTRONIC CONTROL UNIT (ECU) CHECK & REPLACEMENT (SERVICE CAMPAIGN T45G)
5.
Select “OK.”
6.
Select “OK.”
TSB #: 24-01-030G
Page 7 of 12
SUBJECT:
SUBJ ECT:
ALL WHEEL DRIVE (AWD) ELECTRONIC CONTROL UNIT (ECU) CHECK & REPLACEMENT (SERVICE CAMPAIGN T45G)
7.
Select “OK.”
8.
Proceed to Section C.
C. AWD ECU Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Disconnect the AWD ECU connector (A).
A
TSB #: 24-01-030G
Page 8 of 12
SUBJECT:
SUBJ ECT:
3.
ALL WHEEL DRIVE (AWD) ELECTRONIC CONTROL UNIT (ECU) CHECK & REPLACEMENT (SERVICE CAMPAIGN T45G)
Remove the 2 bolts securing the AWD ECU (B)
and disengage from the Transfer Case
assembly.
B
Tightening torque:
16.6 - 19.5 lb-ft
(22.6 - 26.5 N.m, 2.3 - 2.7 kgf.m,)
4.
Replace the AWD ECU with the correct part.
(PN 95447-47100)
STUI
Using STUI, take a picture of the new
AWD ECU next to the old AWD ECU.
Include a piece of paper with the last six
digits of the VIN and date of repair in the
photo. Ensure the picture is in focus and
the part labels are clearly visible. Upload
the photo to STUI.
NOTICE
•
•
Ensure all surfaces are free from any
debris before installing the O-rings
onto the new ECU.
Ensure the internal surfaces of the
transfer case assembly are free from
any debris before installing the new
ECU.
D
C
NOTICE
•
When installing the AWD ECU, the
motor shaft of the ECU (C) must be
aligned with the indent within the
transfer case assembly (D).
TSB #: 24-01-030G
Page 9 of 12
SUBJECT:
SUBJ ECT:
ALL WHEEL DRIVE (AWD) ELECTRONIC CONTROL UNIT (ECU) CHECK & REPLACEMENT (SERVICE CAMPAIGN T45G)
5.
Install removed parts in reverse order of
disassembly.
6.
Reconnect the negative (-) battery terminal.
7.
Proceed to Section D.
D. AWD ECU Values Write
1.
Select S/W Management and 4WD Control
within GDS. Perform the “Adaptive value BackUp
& Input (ECU replacement).”
Shop
Manual
4WD (AWD)
System
General
Information
Repair
Procedure
Step 2 ("In case
of replacing the
ITA (ECU) only"
2.
Select “OK.”
TSB #: 24-01-030G
Page 10 of 12
SUBJECT:
SUBJ ECT:
ALL WHEEL DRIVE (AWD) ELECTRONIC CONTROL UNIT (ECU) CHECK & REPLACEMENT (SERVICE CAMPAIGN T45G)
3.
Select the “Write” button.
4.
Select the “OK” button.
TSB #: 24-01-030G
Page 11 of 12
SUBJECT:
SUBJ ECT:
ALL WHEEL DRIVE (AWD) ELECTRONIC CONTROL UNIT (ECU) CHECK & REPLACEMENT (SERVICE CAMPAIGN T45G)
5.
Select the “OK” button to write the backed-up
values to the new ECU.
6.
Check if any Diagnostic Trouble Codes (DTCs)
were created during the ECU replacement, and
clear all related DTCs.
7.
Service procedure is now complete.
TSB #: 24-01-030G
Page 12 of 12
SUBJECT: