Infiniti QX50 2019 — technical service bulletin
Bulletin ITB18-014 · NHTSA communication 10138258 · issued Apr 3, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019
model years
1
vehicle entries
Official summary
2019 QX50; MIL ON WITH ?CODE_200400? STORED SERVICE INFORMATION If the MIL is ON and CONSULT-III plus (C-III plus) shows ?CODE_200400? (Figure 1) stored under engine, perform the Electronic Service Manual (ESM) diagnostic for DTC P2004 (SWIRL CONT/V (B1)). - C-III plus will be updated/corrected at a later date.
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.