HONDATA S300 V3 / HA MOTORSPORTS OBD1 Automatic ECU Package – B / F / H Series

Part Number: S300AUTOECU
Brand: HONDATA / HA MOTORSPORTS

Full S300 V3 Tuning for Automatic B, F & H-Series Builds.

The HONDATA S300 V3 / HA MOTORSPORTS OBD1 Automatic ECU Package gives compatible automatic-transmission Honda and Acura builds a complete tunable ECU solution.

This package combines a fully reconditioned HA Motorsports OBD1 VTEC-spec automatic-compatible ECU with a new serialized HONDATA S300 V3, providing advanced tuning, datalogging, Bluetooth connectivity, and SManager support while allowing communication with a separate transmission control unit.

Why Upgrade?

• Genuine HONDATA S300 V3 system
• HA Motorsports reconditioned OBD1 VTEC ECU
• Designed for compatible automatic-transmission applications
• B-Series, F-Series & H-Series support
• Bluetooth wireless connectivity
• USB tuning and datalogging
• HONDATA SManager software
• HONDATA Mobile support for iOS & Android
• Multiple engine base maps available
• Fully tested ECU package
• New ECU capacitors installed
• Clear plexiglass ECU lids
• Stainless-steel hardware

Vehicle Fitment – Direct OBD1 Applications

For these vehicles that originally use a separate TCU, the ECU can be plugged directly in:

• 1990-1993 Honda Accord – Automatic
• 1992-1995 Acura Integra – Automatic
• 1992-1995 Honda Prelude – Automatic

Honda Civic B-Series Swap Application

1992-1995 Honda Civic with B-Series Engine Swap & Automatic Transmission Swap

This application also requires:

• HA Motorsports 1992-1995 Civic Auto-to-OBD1 Auto ECU / TCU Harness
• HA Motorsports OBD1 P78 Automatic Transmission Control Unit
• Compatible B-Series automatic transmission setup

IMPORTANT – Separate TCU / TCM Required

This ECU MUST be used with a separate automatic transmission control unit (TCU/TCM).

The TCU must be compatible with your specific automatic transmission.

Engine & Transmission Compatibility

Compatible with:

• B-Series automatic transmissions
• F-Series automatic transmissions
• H-Series automatic transmissions

NOT compatible with D-Series automatic transmissions.

Package Includes

• HA Motorsports fully reconditioned OBD1 VTEC-spec automatic-compatible ECU
• New serialized HONDATA S300 V3 system
• HONDATA SManager software
• 6-foot USB cable
• Pair of HONDATA decals
• Multiple engine base maps through SManager
• Fully bench-tested ECU package

ECU Case Options

Standard Case: Clean, restored bead-blasted ECU casing.

Powder-Coated Grey Case: Hammertone grey powder-coated casing for an upgraded finished appearance.

Bluetooth Connectivity

The included HONDATA S300 V3 features Bluetooth, allowing wireless datalogging and tuning from a compatible Bluetooth laptop.

HONDATA Mobile also allows compatible iOS and Android smartphones or tablets to display and datalog engine operating information wirelessly.

Additional Requirements

• Compatible separate TCU / TCM
• Windows laptop with available USB port
• Internet connection for system registration
• Additional conversion harness may be required depending on chassis

Important Compatibility Notice

Automatic Honda/Acura configurations can vary significantly depending on chassis, engine, transmission, wiring harness, ECU, and TCU combination.

Please make sure this S300AUTOECU package is compatible with your specific vehicle, B/F/H-Series engine, automatic transmission, wiring configuration, and TCU before purchasing.

Professional Installation & Tuning Available

RPM Racing offers professional HONDATA installation, engine-swap wiring, and tuning services.

Contact RPM Racing for installation, tuning availability, pricing, and scheduling.

OFF-ROAD / COMPETITION RACING USE ONLY

WARNING! THIS PRODUCT IS FOR OFF-ROAD MOTORSPORT / COMPETITION RACING USE ONLY, NEVER TO BE USED ON ANY POLLUTION-CONTROLLED MOTOR VEHICLE.

Automatic transmission. HONDATA S300 V3 control. A serious tuning solution for B, F & H-Series automatic Honda and Acura builds.