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B1073 on the 2021 Alfa Romeo Stelvio

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 B1073
08205232023-10-02. Service bulletin. Anti-Theft Alarm Inoperative The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? B1073-71 -Volumetric Sensor Fault-Actuator Stuck. ? B1073-96 - Volumetric Sensor Fault-Component Internal Failure. Customers may also experience: ? The theft-alarm goes off and it is not possible to reactivate it. ? Message is displayed in the cluster stating the theft alarm is disabled. This bulletin involves replacing the dome lamp, which contains the theft-alarm sensor.

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.