OE Quality
60-Day Returns

Standard Ignition BSC25 Battery Current Sensor
Overview of Standard Ignition Battery Current Sensor BSC25
The Standard Ignition Battery Current Sensor BSC25 is designed for precise monitoring of battery current in select Lexus and Toyota hybrid models. Engineered with a female rectangular plug-in connector and male bullet terminals, this sensor ensures reliable electrical connections for optimal charging system performance.
- Connector Gender: Female
- Connector Quantity: 3
- Connector Shape: Rectangular
- Connector Type: Plug in
- Terminal Gender: Male
- Terminal Quantity: 40
- Terminal Type: Bullet
Detailed Product Description
This battery current sensor, part number BSC25, is specifically compatible with Lexus CT200h and Toyota Prius and Prius V models. It features a three-pin female rectangular plug-in connector that facilitates secure and straightforward installation. The sensor’s 40 male bullet terminals provide durable and stable electrical contact, essential for accurate current measurement and communication with the vehicle’s charging system. The design supports efficient monitoring of battery current flow, which is critical for hybrid vehicle battery management and overall electrical system health.
Applications and Problem Resolution
This sensor is used to monitor the battery current in hybrid vehicles, helping to maintain proper charging and electrical system function. It addresses issues such as:
- Inaccurate battery current readings causing charging inefficiencies
- Intermittent electrical connection failures in the charging system
- Hybrid battery management system errors related to current sensing
- Reduced fuel efficiency due to improper battery charge monitoring
- Warning lights or diagnostic trouble codes related to battery current sensor faults
Installation Notes and Tips
When installing the Standard Ignition BSC25 battery current sensor, ensure the female rectangular plug is fully seated to avoid loose connections. Verify that the 40 male bullet terminals are clean and free of corrosion before installation. It is recommended to disconnect the vehicle battery before replacing the sensor to prevent electrical shorts. Proper alignment and secure connection will help maintain sensor accuracy and vehicle system reliability.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring compatibility and durability. The BSC25 battery current sensor undergoes rigorous quality control testing to guarantee performance in Lexus CT200h and Toyota Prius and Prius V models. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use.
| Brand | Standard Ignition |
| Part Number | BSC25 |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Connector Type | Plug In |
| Terminal Gender | Male |
| Terminal Type | Bullet |
This part fits 19 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2017 | Lexus | CT200h | N/A | w/ Orange Connector |
| 2017 | Toyota | Prius V | N/A | w/ Orange Connector |
| 2016 | Lexus | CT200h | N/A | w/ Orange Connector |
| 2016 | Toyota | Prius V | N/A | w/ Orange Connector |
| 2015 | Lexus | CT200h | N/A | w/ Orange Connector |
| 2015 | Toyota | Prius | N/A | w/ Orange Connector |
| 2015 | Toyota | Prius V | N/A | w/ Orange Connector |
| 2014 | Lexus | CT200h | N/A | w/ Orange Connector |
| 2014 | Toyota | Prius | N/A | w/ Orange Connector |
| 2014 | Toyota | Prius V | N/A | w/ Orange Connector |
| 2013 | Lexus | CT200h | N/A | w/ Orange Connector |
| 2013 | Toyota | Prius | N/A | w/ Orange Connector |
| 2013 | Toyota | Prius V | N/A | w/ Orange Connector |
| 2012 | Lexus | CT200h | N/A | w/ Orange Connector |
| 2012 | Toyota | Prius | N/A | w/ Orange Connector |
| 2012 | Toyota | Prius V | N/A | w/ Orange Connector |
| 2011 | Lexus | CT200h | N/A | w/ Orange Connector |
| 2011 | Toyota | Prius | N/A | |
| 2010 | Toyota | Prius | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.