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RecallGazette

Vehicle problems, recalls & safety intelligence

Volvo C40BEV 2021–2025technical service bulletin

Bulletin 37440 · NHTSA communication 11021940 · issued Jul 31, 2025

Technical service bulletin
communication type
Unknown OR Other
component
2021–2025
model years
60
vehicle entries

Official 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

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.