U1A18 on the 2019 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.
| 0802221 | 2022-09-26. Service bulletin. Flash: Drive Style Control Module (DSCM) Updates This bulletin involves checking if the vehicle dynamic (DNA) selector is operableand possibly reprogramming the DSCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the followingDiagnostic Trouble Code (DTC) has been set in the DSCM:U1700-87 - Body Control Module (BCM) - Missing Message. U0011-14 - Down Rotary Knob Failure-Circuit Short To Ground Or Open. U0011-15 - Down Rotary Knob Failure-Circuit Short To Battery Or Open. U0012-15- Up Rotary Knob Failure-Circuit Short To Battery Or Open. B1603-68 - Rotary Encoder Fault-Event Information. The following DTC has been set in the Body Control Module (BCM):U1A18-87 - DSCM (Drive Style Control Module)-Missing Message. The customer may also comment on the following: The vehicle dynamic (DNA) selector is inoperable. |
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| 08-022-21 | 2021-03-15. Service bulletin. Flash: Drive Style Control Module (DSCM) Updates This bulletin involves checking if the vehicle dynamic (DNA) selector is operableand possibly reprogramming the DSCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the followingDiagnostic Trouble Code (DTC) has been set in the DSCM:U1700-87 - Body Control Module (BCM) - Missing Message. U0011-14 - Down Rotary Knob Failure-Circuit Short To Ground Or Open. U0011-15 - Down Rotary Knob Failure-Circuit Short To Battery Or Open. U0012-15- Up Rotary Knob Failure-Circuit Short To Battery Or Open. B1603-68 - Rotary Encoder Fault-Event Information. The following DTC has been set in the Body Control Module (BCM):U1A18-87 - DSCM (Drive Style Control Module)-Missing Message. The customer may also comment on the following: The vehicle dynamic (DNA) selector is inoperable. |
| 08-106-20 | 2021-03-01. Service bulletin. Flash: Drive Style Control Module (DSCM) Updates This bulletin involves checking if the vehicle dynamic (DNA) selector is operable and possibly reprogramming the DSCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set in the DSCM:U1700-87 - BCM (Body Control Module) Node-Missing Message. The following DTC has been set in the Body Control Module (BCM):U1A18-87 - DSCM (Drive Style Control Module)-Missing Message. The customer may also comment on the following:The vehicle dynamic (DNA) selector is inoperable. |
3 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.