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Battery Current Sensor Connector

The Importance of a Battery Current Sensor
Depending on the exact model of your car, your vehicle might contain a battery current sensor. If your car uses GM's Smart Charging System, or a Regulated Voltage Control (RVC) system, a battery current sensor is used to help raise or lower the alternator's voltage depending on your car's current needs. This system increases fuel mileage and maximizes the charging system efficiency by reducing voltage when it is not required. For example, if your car comes to a complete stop at a stoplight, the RVC system will stall your car's engine to save fuel until you take your foot off the brake pedal and resume driving. The battery current sensor's role is to measure the current flow to and from your car's battery through the negative battery cable. The current sensor then sends this signal to your vehicle's body control module (BCM) and powertrain control module (PCM), which is used to determine the necessary voltage output for your alternator. The battery current sensor is attached to your vehicle electrical system via a connector. At AutoZone, we carry the best battery current sensor connectors for cars and trucks, so you can quickly replace yours if necessary.

Troubleshooting Battery Current Sensor Issues
If your battery current sensor fails or there is an issue with the connector, a diagnostic trouble code (DTC) will set and the battery warning light will illuminate on your vehicle's dashboard. Since the PCM of your vehicle uses the information from the battery current sensor to start your car, any issues can result in your vehicle not starting even when the battery itself is fully charged. Since the sensor is located in a highly corrosive area, you can start by disconnecting the battery current sensor and cleaning it. Once clean, add some dielectric grease and reconnect the sensor. However, if the DTC turns back on or your car's battery still won't stop, you might need to replace the entire sensor. You will also want to check the connector and see if it needs to be replaced. We carry the lowest prices on battery current sensor connectors at AutoZone, so make sure to check our inventory for all your battery current sensor replacement needs.

Find the Parts You Need in Store or Online
When shopping for battery current sensor connectors and other essential auto parts, AutoZone is the place to go. Visit a location nearest you and find what you need with the help of our experts, or take your shopping online by searching for “battery current sensor connectors near me.” No matter how you shop, you'll find the best quality parts for the lowest prices. At AutoZone, we're dedicated to supplying DIY mechanics with the gear they need to get the job done right.