Infiniti QX50 2019 — technical service bulletin
Bulletin ITB19-012 · NHTSA communication 10161387 · issued May 3, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019
model years
1
vehicle entries
Official summary
2019 QX50; MIL ON WITH DTC P0448 IF YOU CONFIRM The Malfunction Indicator Light (MIL) is ON with DTC P0448 (EVAP canister vent control valve) stored. ACTION Reprogram the ECM, if applicable.
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.