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Throughout the years, we've come across many people with automatic transmission equipped vehicles that have invested heavily on building their engines, but then become stuck when it comes to engine management and trying to tune their engine. The common chipped OBD1 ECU setups don't work with an automatic transmission, so most people get stuck using an inferior solution like a piggy-back VAFC or similar. We've taken note of our customer's needs, and have finished testing our newest solution for automatic transmission vehicles.

Our Neptune RTP auto ECU package solves this problem by working in combination with a separate automatic transmission control unit (TCU). This custom configured Neptune ECU controls the engine, while the separate TCU controls your transmission. You can now fully tune your engine's operation including fuel tables, ignition tables, VTEC engagement, rev limit, idle parameters, and even datalog and monitor your wideband on your automatic transmission equipped vehicle.



This platform works on the following vehicles:

92-95 Civic with B series engine swap using a B series auto transmission.
96-98 Civic with B series engine swap using a B series auto transmission.
99-00 Civic with B series engine swap using a B series auto transmission.
94-95 Integra with B series auto transmission.
96-99 Integra with B series auto transmission.
00-01 Integra with B series auto transmission.
96-97 Accord with F/H series auto transmission.
97-01 Prelude with F/H series auto transmission.
98-02 Accord with F/H series auto transmission.

You MUST use the appropriate auto transmission control unit (TCU) for your engine/transmission with this ECU. For B series auto transmissions, use our P78 TCU. For F/H series transmissions, you will need an OBD1 transmission control unit from a 94-95 Accord or Prelude.

How do I get the ECU and separate TCU to plug into my car when my car only has a single ECU from the factory?

We haven't left you alone to solve this problem either. Use one of our auto transmission conversion harnesses which will separate your transmission control wiring to the TCU, while directing engine controls to our Neptune Auto ECU:



These harnesses will plug directly into your stock ECU's wiring harness plugs, then plug into our Neptune AUTO ECU and separate TCU. Some applications will require additional transmission sensors and solenoids to be wired to the transmission from the harness. On these applications, a separate pigtail is included along with instructions for straight-forward installation.

I'm a little confused. What exactly do I need?

92-95 Civic with B series auto trans swap:
* Neptune RTP / DemonV2 / HA Motorsports OBD1 AUTO ECU Package
* HA Motorsports OBD1 P78 TCU Automatic Transmission Control Unit
* HA Motorsports 92-95 Civic Auto to OBD1 Neptune Auto Harness
* Instructions are included with harness on wiring in the pigtail harness to your B series auto transmission

96-98 Civic with B series auto trans swap:
* Neptune RTP / DemonV2 / HA Motorsports OBD1 AUTO ECU Package
* HA Motorsports OBD1 P78 TCU Automatic Transmission Control Unit
* HA Motorsports 96-98 Civic Auto to OBD1 Neptune Auto ECU Harness

99-00 Civic with B series auto trans swap:
* Neptune RTP / DemonV2 / HA Motorsports OBD1 AUTO ECU Package
* HA Motorsports OBD1 P78 TCU Automatic Transmission Control Unit
* HA Motorsports 99-00 Civic Auto to OBD1 Neptune Auto ECU Harness

94-95 Integra with B series auto transmission:
* Neptune RTP / DemonV2 / HA Motorsports OBD1 AUTO ECU Package
* The 94-95 Integra already uses a separate compatable TCU from the factory. Our Neptune Auto ECU package will fit plug-n-play on this application

96-99 Integra with B series auto transmission:
* Neptune RTP / DemonV2 / HA Motorsports OBD1 AUTO ECU Package
* HA Motorsports OBD1 P78 TCU Automatic Transmission Control Unit
* HA Motorsports 96-99 Integra Auto to OBD1 Neptune Auto Harness

00-01 Integra with B series auto transmission:
* Neptune RTP / DemonV2 / HA Motorsports OBD1 AUTO ECU Package
* HA Motorsports OBD1 P78 TCU Automatic Transmission Control Unit
* HA Motorsports 2000-2001 Integra Auto to OBD1 Neptune Auto Harness

96-97 Accord with F/H series auto transmission:
* Neptune RTP / DemonV2 / HA Motorsports OBD1 AUTO ECU Package
* 94-95 Accord transmission control unit
* HA Motorsports 96-97 Accord 4cyl / 97-01 Prelude to OBD1 Neptune Auto Harness

98-02 Accord 4 cylinder with F/H series auto transmission:
* Neptune RTP / DemonV2 / HA Motorsports OBD1 AUTO ECU Package
* 94-95 Accord transmission control unit
*HA Motorsports 98-02 Accord 4cyl Auto to OBD1 Neptune Auto Harness

How do I tune the ECU after I install this setup?

Using the Neptune RTP software. The Neptune RTP system allows complete tuning of your engine. Not familiar with the Neptune RTP software? Download the software for free to take a look around here: Neptune RTP Tuning Software. Our Neptune RTP Auto ECU package includes the Neptune software license for quick and easy setup.

If I decide to order, how long will it be before this ships?
Within one business day. We have these ECU's, TCU's, and every harness listed in stock and ready to go.

Don't see your application listed? Please don't hesitate to send us a quick email to sales(at)hamotorsports.com and we will be happy to let you know what will work for your setup, or if it is something that we can work on developing for you. We are more than happy to help you configure your setup to be able to tune using the Neptune RTP system on one of our ECU's.

All ECU setups above exclusively use the Neptune RTP / Demon tuning system. This ECU will NOT work on any other tuning system. The Neptune RTP software is the best tuning solution available for automatic transmission equipped vehicles and allows complete control over engine operation. You will be able to fully tune your engine for your mods from things like a basic intake and exhaust to fully-built turbocharged setups. We enjoy working with our customers to help them meet their goals and are happy to answer any questions you may have...

Have a question? Please shoot us an email to sales(at)hamotorsports.com

HA Motorsports | Honda Engine Management Specialists!

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Have a question? Send us a quick email sales(at)hamotorsports.com

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Monday morning bump

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Thanks for all the inquiries and the orders everyone! We are happy to help, and we appreciate the orders!

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Tuesday bump!

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ReDemoN

What about for the CRV guys?
They have been wanting something for a long time now.

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Nothing yet. The CRV's transmission requires a different setup that we don't yet have a solution for.

Thanks,

Christianva

do you guys have an estimate when you have a solution for the Honda CRV's?

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Glad to see there's interest out there... No estimate at this time. The CRV transmission/ECU setup is a little different than these other applications, so it may be some time before we find an answer for CRV's..

Christianva

I hope its soon. I would like to turbo this bug out crv I have!

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Christianva

To HAmotorsports

I would like you to express on the behalf of more than Four thousand members of the 97-01 Honda CR-V group in Facebook, there is a large demand for the Automatic Honda CR-V TCU. As most CR-V owner are automatic and four wheel drive we are very interested for this TCU to be made. The four wheel drive in the RD1 is hydraulic actuated and mechanic driven, very little electronics is need for this system. The Civic and Integra is very closely related, All we are looking for is a TCU in which gives us a proper shift point for the CRV. This upgrade would be a tremendous change for out community! If you need any more inquires please add yourself to the RD1 enthusiast group in facebook. This is only just Facebook, there are more CR-v owners in different forums and offline communities! Thank you!

https://www.facebook.com/groups/5885...1&notif_t=like

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Thank you for the information. It is feedback like this that helps guide us to what our customers are looking for. We will keep this in mind for future opportunities. Thanks!