Standard Ignition BSC121 Battery Current Sensor

Battery Current Sensor Overview

Standard Ignition BSC121 is a battery current sensor for charging-system monitoring on select Nissan and INFINITI applications. It uses a rectangular plug connector with a female connector body and male pin terminals for a direct electrical interface.

Key Features

• Battery current sensor for charging and starting system diagnostics
• Rectangular plug connector with one female connector
• Male pin terminals for secure electrical contact
• Sensor-only contents for replacement of the failed unit
• Standard Ignition BSC121 for service matching and catalog lookup

Fitment Details

Fits 2022-2023 INFINITI QX60, Battery Current / Volt Sensor. Fits 2022-2023 Nissan Pathfinder, Battery Current / Volt Sensor. Fits 2020-2023 Nissan Rogue, Battery Current / Volt Sensor.

This part cross-references BCSA41 and SBC121 for the same application.

What It Is Used For

• Restoring battery current sensing when the original sensor fails
• Addressing charging-system warning lights tied to sensor faults
• Correcting inaccurate battery current or voltage monitoring data
• Replacing a damaged connector interface at the sensor

Installation Notes

Verify connector shape, terminal style, and application notes before installation. Match the part number BSC121 to the vehicle’s charging-system sensor configuration and confirm the sensor location during diagnosis.

Quality Assurance

Standard Ignition supplies service parts for electrical and engine-management applications, and BSC121 is cataloged as a direct replacement sensor for the listed fitments.