: Inspect the plug going into the shutter motor for green corrosion or loose wires.
: Locate the shutter behind the front bumper, disconnect the wiring harness, and inspect for green corrosion or bent pins. Perform an Active Test nissan p155b00
: For diesel engines, the sensor can sometimes be removed and cleaned with specialized intake/EGR cleaner to remove soot. : Inspect the plug going into the shutter
: The Active Grille Shutter (AGS) is a set of louvers behind the front bumper that opens and closes based on engine temperature and vehicle speed. The Trigger : The Active Grille Shutter (AGS) is a
—typically points to an issue with the .
If you're a Nissan owner dealing with a P155B00 code, here are a few suggestions:
A: Indirectly, yes. A weak 12V battery can cause erratic BMS sensor readings. Always test and replace a failing 12V battery before diagnosing high-voltage codes.