April 2026 Alfa Romeo Tonale Recall, Complaint & Service Bulletin Roundup

April 2026 brought a quiet period for the Alfa Romeo Tonale regarding recalls, owner complaints, and federal investigations. However, Stellantis issued a number of service bulletins (TSBs) for the 2023-2026 model years, primarily focusing on electrical system diagnostics, software updates, and user experience enhancements. Many of these TSBs address common issues like Alfa Romeo Tonale charging issues and cabin preconditioning malfunctions, providing crucial guidance for technicians and owners.

Recalls

No new recalls were filed for the Alfa Romeo Tonale in April 2026.

Owner complaints

No new owner complaints were reported for the Alfa Romeo Tonale in April 2026.

Investigations

No new NHTSA investigations were opened, upgraded, or closed for the Alfa Romeo Tonale in April 2026.

Service bulletins

Several technical service bulletins were released this month, detailing diagnostic and repair procedures for various issues affecting the Alfa Romeo Tonale. These communications are vital for addressing common problems and ensuring vehicle performance.

Intelligent Battery Sensor (IBS) and Charging System Faults

Multiple TSBs address Alfa Romeo Tonale charging issues related to the Intelligent Battery Sensor (IBS). Stellantis TSB S1408000384 REV.J and its earlier revision S1408000384 REV.I cover 2023-2026 model years. These bulletins detail problems such as inaccurate State of Charge (SOC) readings, illuminated battery warning lamps, and Diagnostic Trouble Codes (DTCs) B2193, U113E, and P00FD. The TSBs provide proper diagnostic steps and warn against unnecessarily replacing the IBS sensor.

Cabin Preconditioning Unavailable Messages

Owners of 2024-2025 Alfa Romeo Tonale vehicles experiencing a "Cabin Preconditioning Unavailable" message or a Malfunction Indicator Lamp (MIL) illumination should be aware of several software-related TSBs. TSB 08-044-26 and 08-402-25 outline software updates for the Auxiliary Hybrid Control Processor (AHCP) and Power Inverter Module (PIM) to resolve these issues. Similarly, TSB 08-400-25 REV. A and 08-400-25 address MIL illumination and the preconditioning message through updates to the Dual Power Inverter Module (DPIM).

Firmware Over The Air (FOTA) Update for Active Cabin Ventilation

Stellantis TSB 08-148-26 details a mandatory Firmware Over The Air (FOTA) update for 2023-2025 Alfa Romeo Tonale models. This update enables the Active Cabin Ventilation (ACV) feature. Owners must accept the update when prompted via the vehicle's cellular modem.

Telematics Box Module (TBM) Battery Failure

Another significant electrical issue involves the Telematics Box Module (TBM) backup battery. TSB 08-394-25 REV. A and manufacturer communication 9100734 address a "Battery of Uconnect Box requires service" message and DTC B1E21-96 in 2019-2026 Stellantis vehicles, including the Tonale. The fix involves replacing the TBM's internal battery.

Uconnect 5 Radio Software Update Errors

For 2021-2026 models, TSB S228A000025 REV.A provides corrective actions for various Harman R1H Uconnect 5 radio software flash error codes (e.g., -2, -3, -4, -5, -9, -11, -13, -18) that prevent successful updates. This ensures proper functionality of the infotainment system.

What Alfa Romeo Tonale owners should do

• Monitor Warning Lights: Pay attention to any illuminated battery warning lamps or the Malfunction Indicator Lamp (MIL), as these often indicate underlying electrical or software issues like the Alfa Romeo Tonale charging issues or preconditioning faults. If these lights appear, contact your authorized Alfa Romeo dealer.
• Accept Software Updates: Ensure you accept any Firmware Over The Air (FOTA) updates prompted by your vehicle, as these can enable new features like Active Cabin Ventilation or resolve existing software glitches.
• Report "Cabin Preconditioning Unavailable": If your vehicle displays a "Cabin Preconditioning Unavailable" message, schedule a service appointment with your dealer. Software updates are available to address this.
• Address Uconnect Box Service Messages: If you see a "Battery of Uconnect Box requires service" message, inform your dealer, as this points to a specific TBM battery replacement procedure.