Infiniti Q50 2015–2022 — technical service bulletin
Bulletin ITB21-007 · NHTSA communication 10191928 · issued Apr 1, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2015–2022
model years
30
vehicle entries
Official summary
MIL ON WITH DTC P062F AND/OR P0603 STORED IF YOU CONFIRM The MIL is ON and DTC P062F (EEPROM) and/or P0603 (ECM BACK UP/CIRCUIT) is stored, And The customer stated the vehicle was recently started after sitting for an extended period of time (i.e., the battery voltage was low while attempting to start the engine). ACTION 1. Test the vehicleâ s 12 volt battery using the Midtronics DSS-5000. Recharge or replace the battery if necessary. 2. Erase all DTCs.
Vehicles covered
- 2016 Infiniti Q50
- 2017 Infiniti Q50
- 2018 Infiniti Q50
- 2019 Infiniti Q50
- 2020 Infiniti Q50
- 2021 Infiniti Q50
- 2017 Infiniti Q60
- 2018 Infiniti Q60
- 2019 Infiniti Q60
- 2020 Infiniti Q60
- 2021 Infiniti Q60
- 2017 Infiniti QX30
- 2018 Infiniti QX30
- 2019 Infiniti QX30
- 2019 Infiniti QX50
- 2020 Infiniti QX50
- 2021 Infiniti QX50
- 2022 Infiniti QX55
- 2016 Infiniti QX60
- 2017 Infiniti QX60
- 2018 Infiniti QX60
- 2019 Infiniti QX60
- 2020 Infiniti QX60
- 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.