Diagnosis Description
WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
B2559 PDU system that is Intelligent Key unit judges NG by self-detecting the PDU (Power Distribution Unit) internal malfunction.
If this DTC (Diagnostic Trouble Code) is displayed, replace the PDU.