Nissan - P155b00 [work]

~40% if caught early.

This code is an manufacturer-specific diagnostic trouble code (DTC) that indicates . The NOx sensors monitor the level of nitrogen oxide in the exhaust to manage emissions and ensure the Selective Catalytic Reduction (SCR) system is functioning correctly. Common Symptoms nissan p155b00

: Look at the small sensor attached to the negative battery cable for any signs of physical damage or unplugged connectors. Clear the Code OBD-II scanner ~40% if caught early

The error code in Nissan vehicles (typically the Kicks, Versa, or Sentra) indicates a Grille Shutter Performance issue [1, 2]. Specifically, the engine control module (ECM) has detected that the Active Grille Shutter (AGS) —a system that opens and closes slats in the front bumper to manage aerodynamics and engine cooling—is not operating within its expected parameters [2, 3]. What is the Active Grille Shutter System? Common Symptoms : Look at the small sensor