WenmarOpen by Wenmar Pro

Service bulletin 34521.11.1

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11033732
Published by NHTSA2026-06-08
Manufacturer's number34521.11.1
Manufacturer's date2026-05-07
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

This is a Technical Journal: Headlamp condensation inside lens - information/leak test. If the result is not ok (air leak), it is ok to replace the headlamp

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Lighting

Vehicles listed
VOLVO C40BEV2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
VOLVO C40BEV2025
VOLVO EC402025, 2026
VOLVO EX302025, 2026
VOLVO EX30CC2026
VOLVO EX402025
VOLVO EX902025, 2026
VOLVO S602019, 2020, 2021, 2022
VOLVO S60MHEV2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
VOLVO S60PHEV2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
VOLVO S902017, 2018, 2019, 2020, 2021
VOLVO S90MHEV2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO S90PHEV2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO V602019, 2020, 2021, 2022
VOLVO V60CC2019, 2020, 2021, 2022
VOLVO V60CCMHEV2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO V60CCPHEV2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO V60MHEV2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
VOLVO V60MHEV2026
VOLVO V60PHEV2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
VOLVO V60PHEV2026
VOLVO V902017, 2018, 2019, 2020, 2021
VOLVO V902022
VOLVO V90CC2017, 2018, 2019, 2020, 2021, 2022
VOLVO V90CCMHEV2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC402019, 2020, 2021, 2022, 2023, 2024
VOLVO XC40BEV2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC40MHEV2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC602018, 2019, 2020, 2021, 2022
VOLVO XC60MHEV2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC60PHEV2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC902016, 2017, 2018, 2019, 2020, 2021, 2022
VOLVO XC90E2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC90MHEV2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC90PHEV2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20250562025-02-07. Lights And Instruments
25V0710002025-02-07. ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES
20240052024-01-10. Lights And Instruments

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
37426.2.02026-10-05. Service bulletin. This is a TJ Text only no attachments. --- If the crystal gear shift knob light stays illuminated after the vehicle is locked and is not in active mode, A fix for this issue is introduced with software version 5.0.5.
37774.1.02026-08-18. Service bulletin. This is a TJ - Text plus 1 PDF attachment - f the headlamp horizontal light aim cannot be adjusted via the set screw, If the horizontal light aim cannot be adjusted because the cogwheel knob is broken, do not replace the entire headlamp. Instead, use the spare part kit part number 32476677 to replace the affected component, please follow the instructions under "Service".
37631.3.02026-08-18. Service bulletin. This is a TJ - text only no attachments - If customer complains of a headlamp error message in DIM, in combination with any of the DTCs stated below, follow advice under "Service".
37571.6.02026-07-14. Service bulletin. This is a TJ Text only no attachments - This TJ is a complement to the fault tracing in VIDA. If customer complains of intermittent DIM message in combination with DTC HCML/R - B180292/B180392, follow advice under "Service".Pay attention to which side of the car the DTC refers, both headlamps should not be replaced by default.
37631.2.02026-06-08. Service bulletin. This is a TJ - text only no attachments - If customer complains of a headlamp error message in DIM, in combination with any of the DTCs stated below, follow advice under "Service".
37571.5.02026-05-14. Service bulletin. This is a TJ Text only no attachments - This TJ is a complement to the fault tracing in VIDA. If customer complains of intermittent DIM message in combination with DTC HCML/R - B180292/B180392, follow advice under "Service".Pay attention to which side of the car the DTC refers, both headlamps should not be replaced by default.
34521.10.02026-04-07. Service bulletin. This is a Technical Journal: Headlamp condensation inside lens - information/leak test. If the result is not ok (air leak), it is ok to replace the headlamp
375712026-02-05. Service bulletin. This is a TJ Text only no attachments - If customer complains of intermittent DIM message in combination with DTC HCML/R - B180292/B180392, follow advice under "Service".
345212026-01-07. Service bulletin. This is a Technical Journal: Headlamp condensation inside lens - information/leak test. If the result is not ok (air leak), it is ok to replace the headlamp
375712026-01-07. Service bulletin. This is a TJ Text only no attachments - If customer complains of intermittent DIM message in combination with DTC HCML/R - B180292/B180392, follow advice under "Service".