YUANCHINB Battery Current Sensor 38920-TR0-A02 Direct-Fit OEM Replacement for Honda & Acura, Plug-and-Play

The YUANCHINB 38920-TR0-A02 is a direct-fit battery current sensor that measures real-time battery current and replaces OEM 38920-TR0-A01/A02 for select Honda and Acura vehicles.

This replacement sensor is designed to restore accurate current readings to your vehicle's battery management system (BMS). Built to match OE form, fit, and basic function, it plugs into the factory wiring harness and reports charging and discharge current to support the alternator and charging logic. The unit fits specific model years of Honda Civic and CR-V and several Acura models; correct part selection ensures an exact fit and straightforward installation.

Which cars and years will this sensor fit?

This sensor is compatible with a defined set of Honda and Acura vehicles. Check the part numbers and your vehicle's year and model before ordering to confirm fitment.

• Honda Civic: 2012–2015 model years
• Honda CR-V: 2012–2016 model years
• Acura ILX: 2013–2022 and 2013–2014 ILX Hybrid
• Acura RDX: 2013–2018 model years

How does this replace OEM part numbers and ensure compatibility?

The YUANCHINB sensor is manufactured to align with the original equipment specifications and directly substitutes the factory part. It replaces OE numbers 38920-TR0-A02 and 38920-TR0-A01, using the same connector, mounting points, and electrical characteristics to communicate correctly with the BMS.

• Direct replacement for 38920-TR0-A02 and 38920-TR0-A01
• Same plug and mounting as original sensor for simple swap
• Designed to meet OEM electrical performance and signal output

What are the installation steps and safety precautions?

Installation is straightforward for a technician or experienced DIYer when basic safety steps are followed. Always isolate the electrical system first and inspect connectors and wiring before reapplying power.

• Disconnect the negative battery cable before starting
• Remove the old sensor, inspect the harness for damage, then install the new unit in the original location
• Secure connectors and fasteners, then reconnect the battery and check the charging system for proper function

What benefits will I see after replacing a faulty sensor?

A correctly functioning current sensor supplies accurate current data to the BMS and charging system, allowing the vehicle to manage alternator output and battery charging more effectively. While not a guarantee of battery life, restoring correct measurements helps the vehicle's charging strategy operate as intended.

• Improved accuracy of battery charge/discharge readings
• Supports stable alternator and charging system performance
• May prevent false warnings related to charging faults

Who is this for: This replacement sensor is intended for owners and mechanics working on compatible Honda and Acura models who need a reliable, OEM-style current sensor. Choose this item if your vehicle shows charging-system anomalies, battery warning lights, or if diagnostics point to a faulty current sensor; it’s also suitable when performing electrical system repairs or battery replacements where restoring original sensor function is required. The product ships with a 12-month free replacement support option for confidence in fit and initial reliability.