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Standard Ignition BSC33 Battery Current Sensor
| Brand | Standard Ignition BSC33 |
|---|---|
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Connector Type | Plug In |
| Terminal Gender | Male |
| Terminal Type | Bullet |
| Fits | Toyota · 15 vehicles |
Plug-in connector. Rectangular female connector for straightforward installation.
Battery current sensor. Monitors charging system current with a dedicated sensor design.
Bullet terminals. Uses male bullet terminals for a secure electrical connection.
Cross-references Standard Ignition BSC33, STOP BY BENDIX SBC34 and 8989248040 for the same application. See all 5.
Battery Current Sensor for Toyota and Lexus
The Standard Ignition BSC33 battery current sensor monitors electrical flow in the charging system to support accurate battery and alternator management. It is a direct-fit electrical sensor for select Toyota and Lexus applications, including Toyota Highlander and Lexus RX450h models.
Key Features
- Battery current sensor for charging and starting system diagnostics
- Female connector with 3 rectangular plug-in terminals
- Male bullet terminal design for secure electrical connection
- OE-style replacement for select Toyota and Lexus vehicles
- Standard Ignition BSC33 part number for easy identification
Detailed Description
Standard Ignition BSC33 is a battery current sensor used in the electrical, charging and starting system. It is built with a female 3-way rectangular plug-in connector and male bullet terminals to match the original sensor interface on covered applications. This sensor is used on 2014-2019 Toyota Highlander, 2016-2019 Lexus RX450h, and 2018-2022 Lexus RX450hL models, making it a focused replacement for hybrid charging system service. If you are searching for a battery current sensor for Toyota Highlander or a Lexus RX450h battery current sensor, BSC33 is the correct OE-style service part for those applications.
This part cross-references STOP BY BENDIX SBC34 for the same application.
What It Helps Address
- Battery charging system fault codes related to current sensing
- Inaccurate battery state-of-charge readings
- Alternator control issues caused by a failed sensor signal
- Charging performance problems in hybrid electrical systems
- Warning lights tied to battery management monitoring
Installation Notes and Tips
Verify connector style, terminal layout, and vehicle application before installation. This sensor uses a female 3-pin rectangular plug-in connector with male bullet terminals, so matching the original electrical interface is important for proper operation. Confirm the vehicle is one of the listed applications: Fits 2014-2019 Toyota Highlander, N/A; Fits 2016-2019 Lexus RX450h, N/A; Fits 2018-2022 Lexus RX450hL, N/A.
Quality Assurance
Standard Ignition supplies electrical components for service replacement applications, and BSC33 is identified by the Standard Ignition part number for accurate catalog matching and fitment verification.
| Year | Make | Model | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2022 | Lexus | RX450hL | — | — | — | FULL HYBRID EV-GAS (FHEV) | N/A | — |
| 2021 | Lexus | RX450hL | — | — | — | FULL HYBRID EV-GAS (FHEV) | N/A | — |
| 2020 | Lexus | RX450hL | — | — | — | FULL HYBRID EV-GAS (FHEV) | N/A | — |
| 2019 | Lexus | RX450h | — | — | — | FULL HYBRID EV-GAS (FHEV) | N/A | — |
| 2019 | Lexus | RX450hL | — | — | — | FULL HYBRID EV-GAS (FHEV) | N/A | — |
| 2019 | Toyota | Highlander | AWD | 3.5L | V6 | FULL HYBRID EV-GAS (FHEV) | N/A | — |
| 2018 | Lexus | RX450h | — | — | — | FULL HYBRID EV-GAS (FHEV) | N/A | — |
| 2018 | Lexus | RX450hL | — | — | — | FULL HYBRID EV-GAS (FHEV) | N/A | — |
| 2018 | Toyota | Highlander | AWD | 3.5L | V6 | FULL HYBRID EV-GAS (FHEV) | N/A | — |
| 2017 | Lexus | RX450h | — | — | — | FULL HYBRID EV-GAS (FHEV) | N/A | — |
| 2017 | Toyota | Highlander | — | — | — | — | N/A | — |
| 2016 | Lexus | RX450h | — | — | — | FULL HYBRID EV-GAS (FHEV) | N/A | — |
| 2016 | Toyota | Highlander | — | — | — | — | N/A | — |
| 2015 | Toyota | Highlander | — | — | — | — | N/A | — |
| 2014 | Toyota | Highlander | — | — | — | — | N/A | — |
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