TSB NTB23-049 — Nissan Service bulletin

NTB23-049 is a service bulletin on file with NHTSA for 13 Nissan models, 1990–2023 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. 12 VOLT BATTERY TESTING FOR IN-SERVICE VEHICLES SERVICE INFORMATION The following Service Information lists NNA procedural recommendations for establishing good connections while performing 12V battery testing. These recommendations are expected to promote uniformity during the…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
13Vehicles named
34Model years

Vehicles and model years NTB23-049 names

VehicleModel years
Nissan Altima 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2022, 2023
Nissan Armada 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
Nissan Frontier 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Nissan Leaf 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
Nissan Maxima 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
Nissan Murano 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
Nissan Pathfinder 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Nissan Quest 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017
Nissan Rogue 1999, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
Nissan Sentra 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
Nissan Titan 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
Nissan Versa 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Nissan Xterra 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015

Every document filed under NTB23-049

Document IDFiledType
NTB23-049 June 16, 2023 Service bulletin

What NTB23-049 covers

Electrical — the component vocabulary NHTSA files this communication under.

← All Nissan Altima TSB years TSB lookup by model

Questions buyers ask

What is TSB NTB23-049?

NTB23-049 is a service bulletin filed with NHTSA by Nissan, covering 13 Nissan models across the 1990–2023 model years. NHTSA's summary reads: 12 VOLT BATTERY TESTING FOR IN-SERVICE VEHICLES SERVICE INFORMATION The following Service Information lists NNA procedural recommendations for establishing good connections while performing 12V battery testing. These recommendations are expected to promote uniformity during the…

Which vehicles does NTB23-049 cover?

NHTSA's file names Nissan Altima (1993–2015, 2022–2023); Nissan Armada (2004–2017); Nissan Frontier (1998–2021); Nissan Leaf (2010–2017); Nissan Maxima (1990–2015); Nissan Murano (2003–2014); Nissan Pathfinder (1991–2016); Nissan Quest (1991–2002, 2004–2009, 2011–2017); Nissan Rogue (1999, 2007–2014); Nissan Sentra (1991–2018), and 3 more vehicles listed on this page. 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 NTB23-049 a recall, and is the repair free?

No. NTB23-049 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 NTB23-049?

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 NTB23-049, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 NTB23-049. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.