U148A on the 2020 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.
| 0809320 | 2022-10-17. Service bulletin. 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. 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. |
2 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.