Nissan P155b00 __exclusive__ May 2026

The error code P155B00 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?

: Inspect the grille area and remove any visible obstructions. Wiring Damage nissan p155b00

Fix #1: Clean and Tighten Connections (Cheapest – Often Works)

If corrosion or loose bus bars are the cause: The error code P155B00 in Nissan vehicles (typically

How to Fix Nissan P155B00

The fix depends on what you discover during diagnosis. : Inspect the grille area and remove any

Check Wiring: Inspect the electrical connector at the shutter motor for signs of water entry or broken wires [2].

The solution for the P155B00 code depends on the underlying cause. Some possible solutions include:

Physical Inspection: Put the vehicle on a ramp to inspect the sensors. Unplugging the sensors one by one while monitoring live data can help confirm which specific sensor is unresponsive.