Nissan Altima 2018–2025 — technical service bulletin
Bulletin NTB15-049CC · NHTSA communication 11031699 · issued Mar 30, 2026
Technical service bulletin
communication type
Electrical System
component
2018–2025
model years
46
vehicle entries
Official summary
TELEMATICS SERVICE INFORMATION HINT: This bulletin applies to vehicles equipped with a 4G network compatible TCU. TCUs compatible with 3G network only are no longer supported. SERVICE INFORMATION The APPLIED VEHICLES that come equipped with a factory installed SOS switch, located near the overhead map lamp, also come equipped with a wireless communication device called a Telematics Communication Unit (TCU). With an active NissanConnect® Services subscription, the TCU communicates with the NissanConnect® Services Data Center to provide various security and convenience services. This bulletin co
Vehicles covered
- 2018 Nissan Altima
- 2019 Nissan Altima
- 2020 Nissan Altima
- 2021 Nissan Altima
- 2022 Nissan Altima
- 2018 Nissan Armada
- 2019 Nissan Armada
- 2020 Nissan Armada
- 2019 Nissan GT-R
- 2020 Nissan GT-R
- 2021 Nissan GT-R
- 2023 Nissan GT-R
- 2024 Nissan GT-R
- 2018 Nissan Leaf
- 2019 Nissan Leaf
- 2020 Nissan Leaf
- 2021 Nissan Leaf
- 2022 Nissan Leaf
- 2023 Nissan Leaf
- 2024 Nissan Leaf
- 2025 Nissan Leaf
- 2018 Nissan Maxima
- 2019 Nissan Maxima
- 2020 Nissan Maxima
- 2018 Nissan Murano
- 2019 Nissan Murano
- 2020 Nissan Murano
- 2021 Nissan Murano
- 2022 Nissan Murano
- 2023 Nissan Murano
- 2024 Nissan Murano
- 2018 Nissan Pathfinder
- 2019 Nissan Pathfinder
- 2020 Nissan Pathfinder
- 2018 Nissan Rogue
- 2019 Nissan Rogue
- 2020 Nissan Rogue
- 2018 Nissan Rogue Hybrid
- 2019 Nissan Rogue Hybrid
- 2018 Nissan Rogue Sport
- 2019 Nissan Rogue Sport
- 2020 Nissan Rogue Sport
- 2021 Nissan Rogue Sport
- 2022 Nissan Rogue Sport
- 2018 Nissan Titan
- 2019 Nissan Titan
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.