OEM Immobilizer Control Unit for the 2002 - 2006 Nissan Altima equipped with either 2.5L or 3.5L engines.

The immobilizer is an electronic security device fitted to all L31 Altima models that prevent the engine from running unless the original key is present. When these immobilizer units fail they can prevent the car from running and must be replaced to restore operation.

Sold Individually.

Fits:

• 2002 - 2006 Nissan Altima

Note: Please be sure to select the correct year from the drop down menu to ensure proper fitment.