TSB NTB15-049CC — Nissan Service bulletin
NTB15-049CC is a service bulletin on file with NHTSA for 8 Nissan models, 2018–2025 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. 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,…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years NTB15-049CC names
| Vehicle | Model years |
|---|---|
| Nissan Altima | 2018, 2019, 2020, 2021, 2022 |
| Nissan Armada | 2018, 2019, 2020 |
| Nissan Leaf | 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| Nissan Maxima | 2018, 2019, 2020 |
| Nissan Murano | 2018, 2019, 2020, 2021, 2022, 2023, 2024 |
| Nissan Pathfinder | 2018, 2019, 2020 |
| Nissan Rogue | 2018, 2019, 2020 |
| Nissan Titan | 2018, 2019 |
Every document filed under NTB15-049CC
| Document ID | Filed | Type |
|---|---|---|
| NTB15-049CC | March 30, 2026 | Service bulletin |
What NTB15-049CC covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB NTB15-049CC?
NTB15-049CC is a service bulletin filed with NHTSA by Nissan, covering 8 Nissan models across the 2018–2025 model years. NHTSA's summary reads: 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,…
Which vehicles does NTB15-049CC cover?
NHTSA's file names Nissan Altima (2018–2022); Nissan Armada (2018–2020); Nissan Leaf (2018–2025); Nissan Maxima (2018–2020); Nissan Murano (2018–2024); Nissan Pathfinder (2018–2020); Nissan Rogue (2018–2020); Nissan Titan (2018–2019). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB NTB15-049CC a recall, and is the repair free?
No. NTB15-049CC is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of NTB15-049CC?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under NTB15-049CC, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under NTB15-049CC. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.