2022 Alfa Romeo Stelvio Anti-Theft Alarm Inoperative TSB
Owners of the 2022 Alfa Romeo Stelvio may experience an inoperative anti-theft alarm, a Malfunction Indicator Lamp (MIL) illumination, or specific DTCs like B1073-71 or B1073-96. This manufacturer communication outlines a repair involving the replacement of the dome lamp.
Sarah Mitchell2022 Alfa Romeo Stelvio
Owners of the 2022 Alfa Romeo Stelvio may encounter issues with their vehicle's anti-theft system. This can manifest as the anti-theft alarm going off unexpectedly and being unable to reactivate, or a message appearing in the instrument cluster indicating that the theft alarm is disabled. Additionally, a Malfunction Indicator Lamp (MIL) may illuminate on the dashboard.
This manufacturer communication addresses these concerns, linking them to specific diagnostic trouble codes (DTCs) related to the volumetric sensor within the anti-theft system. The recommended solution for the 2022 Alfa Romeo Stelvio anti-theft alarm problem involves replacing a specific component.
Symptoms You Might Notice
If your 2022 Alfa Romeo Stelvio is affected by this issue, you might observe one or more of the following:
- Illumination of the Malfunction Indicator Lamp (MIL).
- The theft-alarm activates unexpectedly and cannot be reactivated.
- A message displayed in the cluster stating "the theft alarm is disabled."
- The Alfa Romeo Stelvio anti-theft alarm system is generally inoperative.
Fault Codes / DTCs
Technicians investigating the issue may find one or more of these Diagnostic Trouble Codes (DTCs) stored in the vehicle's system:
| Code | Description | Module |
|---|---|---|
| B1073-71 | Volumetric Sensor Fault - Actuator Stuck | Anti-Theft Alarm / Body Control Module |
| B1073-96 | Volumetric Sensor Fault - Component Internal Failure | Anti-Theft Alarm / Body Control Module |
Repair Procedure Summary
This manufacturer communication indicates that the root cause of the Alfa Romeo Stelvio anti-theft alarm issue and associated DTCs is typically a fault within the volumetric sensor. This sensor is integrated into the vehicle's dome lamp assembly.
The repair involves replacing the dome lamp, which contains the faulty theft-alarm sensor. This procedure is designed to resolve the volumetric sensor fault, clear the associated DTCs, and restore proper functionality to the anti-theft alarm system.
Owner Action
If you are experiencing any of the symptoms described, such as an inoperative anti-theft alarm or a lit MIL, it is recommended to schedule an appointment with an authorized Alfa Romeo dealership. They have the necessary diagnostic tools and information to confirm the presence of the relevant DTCs and perform the dome lamp replacement as outlined in this manufacturer communication.
Source: NHTSA ID: 10243274
Frequently Asked Questions
- What does 'Anti-Theft Alarm Inoperative' mean for my 2022 Alfa Romeo Stelvio?
- If your 2022 Alfa Romeo Stelvio displays an 'Anti-Theft Alarm Inoperative' message or if the alarm goes off unexpectedly and cannot be reset, it indicates a fault with the vehicle's anti-theft system, often related to the volumetric sensor.
- What are DTCs B1073-71 and B1073-96 related to?
- DTCs B1073-71 ('Volumetric Sensor Fault - Actuator Stuck') and B1073-96 ('Volumetric Sensor Fault - Component Internal Failure') both point to an issue with the volumetric sensor, which is a key component of the anti-theft alarm system in your Alfa Romeo Stelvio.
- How is the Alfa Romeo Stelvio anti-theft alarm issue typically resolved?
- The common resolution for the anti-theft alarm issue, especially when accompanied by DTCs B1073-71 or B1073-96, involves replacing the dome lamp assembly. This is because the faulty theft-alarm volumetric sensor is integrated into the dome lamp.
- Will my Malfunction Indicator Lamp (MIL) turn off after the repair?
- Yes, once the dome lamp is replaced and the volumetric sensor fault is resolved, the Malfunction Indicator Lamp (MIL) should turn off, and the anti-theft system should function correctly.
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