PC523 & PC526 – OCS ECU Replacement – 2013-2015 Nissan Altima, 2015-2016 Rogue, & 2016 Maxima


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J2534-1 Re/Programming

Nissan ECU Reprogramming Software (NERS) is Nissan and Infiniti’s J2534-1 compliant reprogramming and VIN writing software. This software supports reprogrammable Engine and Transmission control unit ECUs from 1999 to current model year vehicles, and 2005 MY and later VIN writing into ECUs, when using a Nissan validated pass-through device. Click the Reprogramming Tab for additional information on reprogramming. This software only provides ECU reprogramming, blank programming and VIN writing capability. It does not provide diagnostic or key programming capability. For information on purchasing a Nissan or Infiniti diagnostic tool, please go to www.nissantechmate.com.

Vehicle reprogramming requires the use of the following:

  • Nissan validated J2534-1 device
  • Nissan ECU Reprogramming Software (NERS)
  • Personal computer running Windows XP (SP2 or later) or Windows 7 64Bit
  • Applicable reprogram file

Programming Blank ECU Service Parts-(requires Version 3.0.0 or higher)

September 2013, Nissan and Infiniti began the phase in of “Blank” Service Parts ECUs and TCMs. Depending upon the model and model year, replacement modules come WITHOUT software. When a replacement module is installed in an applicable vehicle for any reason, it will need to be programmed.

To identify the part number needed for reprogramming, you have two options:

  • Retrieve the part number from the existing ECU, then purchase the programming packet for the part number.
  • Obtain the programmed part number when you purchase the replacement ECU. Nissan’s and Infiniti’s parts catalog provides both the blank ECU part number and the program file (after-programming part number) to be used. The last 5 characters of the program file part number and the after-programming part number will be the same.
  • Please note: Take care after making your selection that the listed vehicle information matches the vehicle you are programming.




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