Find the accessories your tuner or programmer needs or improve functionality of the OBDII port on your 2016-2019 Nissan Titan XD 5.0L Diesel with the OBDII Splitters & Accessories available. When adding multiple electronic accessories that use the OBDII port on your vehicle OBDII Splitters are the solution you need. Extension cables for tuners, programmers, or modules, along with OBDII covers, are available for a variety of applications. Shop today at XDP and find OBDII Splitters & Accessories from brands including Bully Dog Technologies, Diablosport, SCT, and many more!