In simple terms, this code indicates that the vehicle's computer (the Power Control System or PCM) is receiving data from the battery sensor that does not match the expected parameters. The sensor is essentially telling the car a story about the battery's health that the car's computer knows is mathematically impossible or illogical.

A malfunctioning DC/DC converter or a low-charged high-voltage (HV) battery causing unexpected voltage drops.

Gently try to move the shutters by hand (with the car off) to see if they are physically bound. nissan p155b-00

Knowing this can help me provide more specific troubleshooting steps.

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