Alfa Romeo Giulia 2017–2019 — technical service bulletin
Bulletin 18-051-20 · NHTSA communication 10177534 · issued Jun 19, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2019
model years
3
vehicle entries
Official summary
P00C0-00 Turbocharger-Supercharger Bypass Valve 2 Control Circuit This bulletin involves inspecting and if necessary replacing the connector for the left turbocharger bypass valve and installing a protective cover. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, the technician may find the following Diagnostic Trouble Code (DTC) has been set:P00C0-00 Turbocharger-Supercharger Bypass Valve 2 Control Circuit
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.