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B1538 on the 2021 Volvo V60

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name B1538
TJ34567.1.2-20202020-12-14. Service bulletin. This is a Technical Journal: DTC SRS-B15381B High Voltage battery loop control. The resistance of the circuit can be monitored using the SRS parameter "High voltage battery power supply disconnect"

1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.