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Service bulletin 37366

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 id11020539
Published by NHTSA2025-07-09
Manufacturer's number37366
Manufacturer's date2025-05-20
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This is a Technical Journal: DTC CEM B109A4A Incorrect BBS. A SW solution is planned during 2025 quarter 4.

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.

Trouble codes named

B109A

Vehicles listed
VOLVO C40BEV2025
VOLVO EC402025, 2026
VOLVO EX402025
VOLVO S60MHEV2025 (the catalog's model; the bulletin names a series or trim of it)
VOLVO S60PHEV2025 (the catalog's model; the bulletin names a series or trim of it)
VOLVO S90MHEV2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO S90PHEV2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO V60CCMHEV2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO V60CCPHEV2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO V60MHEV2025 (the catalog's model; the bulletin names a series or trim of it)
VOLVO V60MHEV2026
VOLVO V60PHEV2025 (the catalog's model; the bulletin names a series or trim of it)
VOLVO V60PHEV2026
VOLVO V90CCMHEV2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC40BEV2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC40MHEV2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC60MHEV2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC60PHEV2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC90MHEV2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC90PHEV2025, 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.