Infiniti Q50 2015–2021 — technical service bulletin

Bulletin ITB15-026D · NHTSA communication 10199139 · issued Jun 7, 2021

Technical service bulletin

communication type

Electrical System

component

2015–2021

model years

vehicle entries

Official summary

SIGNAL TECH-II INTELLIGENT KEY BATTERY TEST AND SIGNAL CHECK This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

Vehicles covered

2015 Infiniti Q50
2016 Infiniti Q50
2017 Infiniti Q50
2018 Infiniti Q50
2019 Infiniti Q50
2020 Infiniti Q50
2021 Infiniti Q50
2015 Infiniti Q50 Hybrid
2016 Infiniti Q50 Hybrid
2017 Infiniti Q50 Hybrid
2018 Infiniti Q50 Hybrid
2017 Infiniti Q60
2018 Infiniti Q60
2019 Infiniti Q60
2020 Infiniti Q60
2021 Infiniti Q60
2015 Infiniti Q70
2016 Infiniti Q70
2017 Infiniti Q70
2018 Infiniti Q70
2019 Infiniti Q70
2015 Infiniti Q70 Hybrid
2016 Infiniti Q70 Hybrid
2017 Infiniti Q70 Hybrid
2018 Infiniti Q70 Hybrid
2015 Infiniti QX50
2016 Infiniti QX50
2017 Infiniti QX50
2019 Infiniti QX50
2020 Infiniti QX50
2021 Infiniti QX50
2015 Infiniti QX60
2016 Infiniti QX60
2017 Infiniti QX60
2018 Infiniti QX60
2019 Infiniti QX60
2020 Infiniti QX60
2015 Infiniti QX60 Hybrid
2016 Infiniti QX60 Hybrid
2017 Infiniti QX60 Hybrid
2018 Infiniti QX60 Hybrid
2019 Infiniti QX60 Hybrid
2015 Infiniti QX70
2016 Infiniti QX70
2017 Infiniti QX70
2015 Infiniti QX80
2016 Infiniti QX80
2017 Infiniti QX80
2018 Infiniti QX80
2019 Infiniti QX80
2020 Infiniti QX80
2021 Infiniti QX80

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.