Service bulletins for the 2020 Alfa Romeo Stelvio
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.
165 on file from NHTSA, as of 2026-10-19.
About U148A on the 2020 Alfa Romeo Stelvio: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: U148A are shown. Show all
| 0809320 | 2022-10-17. Service bulletin. LANE DEPARTURE; EXTERIOR LIGHTING; AIR BAGS; ELECTRICAL SYSTEM. Flash: Adaptive Cruise Control (ACC) Updates This bulletin involves reprogramming the ACC module with the latest software available. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technicianmay find the following Diagnostic Trouble Code (DTC)U148A-86 - Implausible Data Received From Driver Assistance System Module (DASM) Signal Invalid. The customer may describe the following:Instrument Panel Cluster (IPC) disable icon switches on warnings for the ForwardCollision Warning (FCW) informing the driver ?Heads-up Warning Array (HWA) Unavailable Service Required?.The system starts working again automatically after a few seconds and/or up to 5 minutes. |
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| 08-093-20 | 2020-11-30. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Flash: Adaptive Cruise Control (ACC) Updates This bulletin involves reprogramming the ACC module with the latest software available. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC)U148A-86 - Implausible Data Received From Driver Assistance System Module (DASM) Signal Invalid. The customer may describe the following: Instrument Panel Cluster (IPC) disable icon switches on warnings for the Forward Collision Warning (FCW) informing the driver ?Heads-up Warning Array (HWA) Unavailable Service Required?.The system starts working again automatically after a few seconds and/or up to 5 minutes. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.