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Swapping ECU 1999 Integra LS Automatic.

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Old Feb 3, 2014 | 02:47 PM
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Default Swapping ECU 1999 Integra LS Automatic.

I got a 37820-p75-a54 981-328712 WE ECU
It's an 1999 Integra LS Automatic 2door non-vtec b18b1.

(also is this the correct ecu that belongs in my car?)

I have found this ECU on EBAY

37820-P75-A54
http://www.ebay.com/itm/98-99-Acura-Integra-Engine-Computer-Control-Module-37820-P75-A54-/231056417784?pt=Motors_Car_Truck_Parts_Accessories&hash=item35cc0923f8&vxp=mtr
Will this be a direct drop and plug into my car? and what is the WE stand for? Is this an automatic?



Thanks
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Old Feb 3, 2014 | 03:41 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

A54....it's an auto here's what confuses me 96-98=obd2a 99-01 obd2b in the listing it says 98-99 that can't be right ask if it's obd2A or B.
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Old Feb 3, 2014 | 04:26 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

Originally Posted by B_Swapped93
A54....it's an auto here's what confuses me 96-98=obd2a 99-01 obd2b in the listing it says 98-99 that can't be right ask if it's obd2A or B.
Sent him a question. How can I check on other ECU if it's an obd2a or obdb2. will it make a difference?
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Old Feb 3, 2014 | 04:32 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

Originally Posted by Honda904
will it make a difference?
http://www.ek9.org/forum/resource-ar...fferences.html from what i know not really but i don't think you'll pas emmissions with an obd2a ecu in a 99+ car. i 'm not 100% on that tho
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Old Feb 3, 2014 | 04:47 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

My main worry is, is this the original ECU that is in my car. Here is how it looks.

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looks like the same plug as in the one on ebay.

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Old Feb 3, 2014 | 04:50 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

The problem is my car will not run without an OBD plugged in. It starts and dies without the OBD, but with an OBD plugged in, it works..
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Old Feb 3, 2014 | 04:58 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.



Do I have the wrong ecu in my 1999 ls?
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Old Feb 3, 2014 | 05:04 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

that's an obd2a ECU you have same with the one in the listing note how the obd2b has all 3 left plugs in a row used, you have a gap in the middle. you want an obd2B ECU you have an A i don't think that would cause your issues but somone else will need to confirm.
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Old Feb 3, 2014 | 05:11 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

Originally Posted by B_Swapped93
that's an obd2a ECU you have same with the one in the listing note how the obd2b has all 3 left plugs in a row used, you have a gap in the middle. you want an obd2B ECU you have an A i don't think that would cause your issues but somone else will need to confirm.
Alright thanks for the help. would it affect anything if I just bought another obd2a and just swapped it in since it already has the A in it. What is the difference from 96-98 and 99-01 as in performance
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Old Feb 3, 2014 | 05:14 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

What does the WE stand for?
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Old Feb 3, 2014 | 05:33 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

Originally Posted by Honda904
would it affect anything if I just bought another obd2a and just swapped it in since it already has the A in it. What is the difference from 96-98 and 99-01 as in performance

You NEED an obd2B p75 ecu from a 99-01 integra, the obd2a ECU is meant for 96-98 cars the obd2b ecu is meant for 99-01's. perfromance well one belongs(obd2b in the car the other doesn't(obd2a).


"WE" idk my 99 dx ECU says 6B and afaik my obd1 p30 says WE they're all stamped with it. All the k series ECU's are stamped with SA i know that my 09 jazz ECU is stamped KE.
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Old Feb 3, 2014 | 06:09 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

Originally Posted by B_Swapped93
You NEED an obd2B p75 ecu from a 99-01 integra, the obd2a ECU is meant for 96-98 cars the obd2b ecu is meant for 99-01's. perfromance well one belongs(obd2b in the car the other doesn't(obd2a).


"WE" idk my 99 dx ECU says 6B and afaik my obd1 p30 says WE they're all stamped with it. All the k series ECU's are stamped with SA i know that my 09 jazz ECU is stamped KE.
I the jumper harness i found for obd2a to obd2b is over 100$ + then ecu on top of that.
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Old Feb 3, 2014 | 06:25 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

Originally Posted by Honda904
I the jumper harness i found for obd2a to obd2b is over 100$ + then ecu on top of that.
You're missing what i'm trying to say GET AN AUTO P75 99+ ECU no jumper etc sell that obd2a ECU..
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Old Feb 3, 2014 | 06:29 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

Originally Posted by B_Swapped93
You're missing what i'm trying to say GET AN AUTO P75 99+ ECU no jumper etc sell that obd2a ECU..
The Auto P75 99+ ECU an OBD2B? And I have an OBD2A correct? I'm missing the middle plug?? Which also means my ecu has been replaced? Thanks for the help. I'll be looking for an OBD2B glad I didn't buy that one right away.


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Old Feb 3, 2014 | 06:43 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

Originally Posted by Honda904
The Auto P75 99+ ECU an OBD2B? And I have an OBD2A correct? I'm missing the middle plug??
Yes you have a 0BD2A ECU no not missing your car is a 99+ so it's different yes someone replaced it at some point
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Old Feb 3, 2014 | 06:47 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

Originally Posted by B_Swapped93
Yes you have a 0BD2A ECU no not missing your car is a 99+ so it's different yes someone replaced it at some point
Oh ok I'll look around. Sorry I'm a bit hardheaded lol.
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Old Feb 3, 2014 | 06:57 PM
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Default Re: Swapping ECU 1999 Integra LS Automatic.

How about this one? I've contacted the buyer to be 100% sure if it's OBD2B. Came out of an 1999 Acura Integra B18B1 (1.8L DOHC) w/ an automatic transmission.

http://www.ebay.com/itm/310044721366?item=310044721366&viewitem=&vxp=mtr
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