Alfa Romeo Giulia 2017–2022 — technical service bulletin
Bulletin S2223000047 · NHTSA communication 10221417 · issued Jun 9, 2022
Technical service bulletin
communication type
Power Train
component
2017–2022
model years
12
vehicle entries
Official summary
ACC Does Not Operate. Start Stop Unavailable, ACC Unavailable Service Required Messages. C1452-86 Engine Torque DASM- Signal Invalid
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.