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.
B2558 shift position input system monitors the A/T selector lever position. If there is the difference between the input from A/T device, the input from A/T assembly, and CAN communication input from A/T control unit, it judges that it is the malfunction and displays the DTC (Diagnostic Trouble Code)