38920-TR0-A02 Battery Current Sensor for Honda/Acura - Reliable Charge

In this review we examine the 38920-TR0-A02 battery current sensor, a direct replacement part aimed at owners of select Honda and Acura models who need accurate battery current and voltage monitoring. The bottom line: this sensor is for drivers and DIY mechanics who want a straightforward, OE-style replacement that restores charging diagnostics and helps the vehicle monitor state of charge and battery health. Our review focuses on fit, connectivity, and ease of installation based strictly on the supplied product details and common owner reports.

Key Features

• OE Compatibility: Sold as OE# 38920-TR0-A02 and listed to replace 38920-TR0-A01, it is intended to match original equipment fit and function for compatible models.
• Vehicle Fitment: Designed for 2012-2015 Honda Civic, 2012-2016 Honda CRV, 2013-2021 Acura ILX and 2013-2018 Acura RDX, so owners of those vehicles can expect a targeted replacement.
• Pigtail Connector: Includes a pigtail connector with copper alloy conductors to promote reliable electrical contact with factory wiring and stable sensing.
• Measures Key Battery Data: The sensor measures current to and from the battery and monitors voltage, state of charge and state of health to support charging system diagnostics.
• Simple Package: Shipped as a single battery current sensor with pigtail connector, enabling a minimal-parts swap for most installations.
• Support: The brand offers 24 hour customer service and a 1 year product warranty for installation or quality questions.

Who It's For

This part is best for owners of the listed Honda and Acura models who are experiencing charging system warnings, battery or AWD lights, or who want to replace a failed OE battery sensor with a part that matches the original part number. It suits DIY mechanics comfortable disconnecting the negative battery cable and working with a bolt wrench, and it includes the pigtail connector for a closer match to factory wiring.

It is less suitable for vehicles not listed in the compatibility notes or for owners who cannot verify the exact sensor shape from the second product image. Also, some buyers reporting connector issues suggest that drivers who need dealer programming or are uncomfortable with potential pigtail connector fit should consider professional installation.

Pros & Cons

Pros

• Direct OE replacement numbering aims to deliver correct fit and accurate sensing for compatible models.
• Includes pigtail connector with copper alloy conductors to improve electrical contact and stability.
• Easy, straightforward swap procedure for experienced DIYers and comes with 1 year product service.

Cons

• Some customers report mixed connectivity with the pigtail connector, so fitment should be confirmed against the vehicle picture before purchase.
• Installation for Honda may leave additional 13mm nuts energized and requires care; the package does not include printed instructions.

Specifications

OE Number	38920-TR0-A02 (replaces 38920-TR0-A01)
Compatible Vehicles	2012-2015 Honda Civic; 2012-2016 Honda CRV; 2013-2021 Acura ILX; 2013-2018 Acura RDX
Includes	Battery current sensor x1 with pigtail connector
Function	Measures battery current, voltage, state of charge and state of health
Connector Type	Pigtail with copper alloy conductors
Warranty	1 year product service and 24 hour customer support

Our Verdict

The 38920-TR0-A02 battery current sensor is a practical OE-style replacement for the listed Honda and Acura models that restores charging monitoring and battery health sensing at a reasonable cost. It is good value for competent DIYers and independent shops when fit is confirmed with the vehicle picture, but buyers should be mindful of reported connector fit issues and the lack of printed instructions.

Frequently Asked Questions

Will this sensor fit my vehicle?
Check the listed compatible years and models and compare the sensor shape to the second main product image to confirm fit before purchasing.

What does the sensor monitor?
The sensor measures current flow to and from the battery and monitors voltage, state of charge and state of health to support the vehicle charging system.

Is installation difficult?
Installation is a direct swap requiring battery negative disconnect and bolt removal; Honda installations may involve energized 13mm nuts and the part ships without a printed manual.