Alfa Romeo Giulia 2017–2018 — technical service bulletin
Bulletin 0816423 · NHTSA communication 10242796 · issued Jul 12, 2023
Technical service bulletin
communication type
Visibility
component
2017–2018
model years
2
vehicle entries
Official summary
Humidity Sensor Harness Missing Technician may have issues re-establishing the connection after replacing the vehicle rear wiring. There is no humidity sensor connection on the vehicle rear wiring harness
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.