Infiniti QX50 2019–2022 — technical service bulletin
Bulletin ITB21-021 · NHTSA communication 10202233 · issued Sep 14, 2021
Technical service bulletin
communication type
Structure
component
2019–2022
model years
4
vehicle entries
Official summary
REAR HATCH INOPERATIVE OR NOISE WHEN OPENING/CLOSING IF YOU CONFIRM The client states that either the rear hatch is inoperative, or the rear hatch closes after opening only a small amount, AND DTC B2426-23 SPINDLE SENSOR LH and/or DTC B2427-23 SPINDLE SENSOR RH is stored, AND/OR There is a growling type noise from the rear hatch area when opening/closing the rear hatch. ï · DTC B2426-23 SPINDLE SENSOR LH and/or DTC B2427-23 SPINDLE SENSOR RH may also be stored. NOTE: If any DTC other than B2426-23 and/or B2427-23 is stored, this bulletin does not apply. ACTION Replace ONLY the spindle unit tha
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.