NHTSA ID Number: 11021940
Manufacturer Communication Number: 37440
TSB/Document Date: 2025-08-18
Summary
This is a Technical Journal: ICUP Critical Guidelines for Replacing IHU.After replacing the IHU with one of the part numbers listed above, follow the steps below: 1. Download IHU reload (select Yes for replaced HW). 2. Perform a Total Upgrade. 3. Manually order and download SP according to the list below
Volvo
Car USA LLC
Technical Journal
Technical Journal Title
Ref. No.
ICUP Critical Guidelines for Replacing IHU
TJ 37440.1.0
Issuer (Dept.)
Issue Date
Status Date
7/22/25
7/30/25
Technical Service
Car Market
Partner
Function Group
United States and Canada
3 US 7510 Volvo Car USA
3900
Function Description
Page
Media, navigation and communication
Page 1 of 2
DESCRIPTION:
If the IHU has been replaced with any of the following part numbers stated below, and the car is
equipped with a WAM, follow the advice under “Service”.
HW 32413644/36013466
HW 32413645/36013467
HW 32413646/36013468
HW 32413647/36013469
CSC Customer Symptom Codes
Code
Description
DP
Radio/Does not work
3L
Technician information/Repair information/Not for warranty use
2V
Technician information/Software/Vehicle communication/Not for warranty use
DTC Diagnostic Trouble Codes
Vehicle Type
Type
Eng
Eng
Desc
Sales
Body
Gear
Steer
Model Year
Plant
Chassis
range
Struc Week
Range
224
2023-2025
-
202217-202516
225
2023-2025
-
202217-202516
227
2023-2025
-
202217-202516
236
2022-2025
-
202122-202516
238
2022-2025
-
202122-202516
246
2022-2025
-
202122-202516
256
2023-2025
-
202222-202516
536
ED
E400V6
2021-2025
-
202037-202516
536
EH
E400V8
2024-2025
-
202317-202516
536
ER
E400V12
2024-2025
-
202317-202516
536
K9
BK9KERS
2023-2025
-
202222-202516
536
L1
BL1KERS
2023-2025
-
202222-202516
2022-2025
-
202122-202516
539
Technical Journal 37440.1.0
SERVICE:
After replacing the IHU with one of the part numbers listed above, follow the steps below:
1. Download IHU reload (select Yes for replaced HW).
2. Perform a Total Upgrade.
3. Manually order and download SP according to the list below.
Model(s)
SP
XC40 / C40 / EC40 / EX40
32303726
V90 / V90CC / S90
32303727
S90L
32303728
XC60 / XC90
32303729
V60 / V60CC / S60
32303730
WAM - Wide-Angle Vision Module
IHU - Infotainment Head Unit
HW - Hardware
SP - Software Product
Warranty claim info:
To get a warranty claim accepted for a job described in this TJ, use the corresponding VST OP
number stated in this TJ.
Note that the TJ number must be stated in the repair order text.
VST Operation Number
VST Operation Number
Description
36002-2
Software control module downloading
VEHICLE REPORT:
Yes, please submit a Vehicle Report if the service solution described in this TJ has no effect. Use
concern area “Vehicle Report” and sub concern area “Support not needed”, use function group
3900.
Page 2 of 2
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TSB/Document ID: 37440
Replacement Service Bulletin Number:
MFR Communication Date: 2025-07-31
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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