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How to Identify your ECU

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Old 05-23-2010, 08:34 PM
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Default Re: "How to indentify you ECU"

can anyone tell me if i got the jdm or usdm p30? its the p30-000 just wondering runing it in my gsr 94
Old 05-24-2010, 12:16 AM
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Default Re: "How to indentify you ECU"

Usually a JDM ecu will have a J in the last 3 digits so it would be P30-J00. I would assume that you have a USDM
Old 12-20-2010, 01:15 PM
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Default Re: "How to indentify you ECU"

ECU # of 2001 honda accord f18b

--------------------------------------------------------------------------------

I m in a lots of problem these days..
I have changed my engine and my ecu is being replaced without my knowledge.
Now i want to purchase ecu for my car but couldnt find the exact code of the ecu..

The details of my car are :

Honda accord 2001
engine f18b
manual transmission.

kindly guide me and other ppl
Old 12-22-2010, 05:27 AM
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Default Re: How to Identify your ECU

anyone want to comment????
Old 01-15-2011, 03:28 PM
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Default Re: How to Identify your ECU

I'm glad i found this discussion. I've been wondering what ecu i need to properly pass smog. I looked at that list that was posted up on the different numbers after the P72. I have a 97 GSR that I need to get smogged and I've been looking around and finding that a 97 GSR needs a P72-A03. However when I called an Acura dealership located here in Cali they told me I need P72-335. Soooo.... I need help!
Old 04-16-2011, 07:07 AM
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Default Re: "How to indentify you ECU"

Originally Posted by FREAKBOY
I need help identifying my ECU. The ECU code is 37820-P1K-E63 it is an EDM MC1 car with a D16B2 AUTO
Any help would be much appreciated, Just need to know if it's OBD1 or 2
I got the same ECU here for D16B2. 37820-p1k-e63 j4. It looks like an OBD-1 to me but the different version connctor plug for obd-1. see the pics below.

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Old 07-13-2011, 07:06 AM
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Default Re: How to Identify your ECU

need a little help guys 37820-P30-930 jdm-usdm? auto-5spd?
Old 09-04-2011, 05:07 AM
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Default Re: "How to indentify you ECU"

Originally Posted by OTOKOTO-TSOI
I got the same ECU here for D16B2. 37820-p1k-e63 j4. It looks like an OBD-1 to me but the different version connctor plug for obd-1. see the pics below.




Delayed reply, sorry, this it may help someone in the future
The p1k-e63 is OBD2, and can't be chipped. I ditched mine for a socketed P06 (for FI), shaved the end lugs off the 'A' plug, moved some pins around & it works. No need for a loom/harness.
Old 09-06-2011, 03:23 PM
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Default Re: How to Identify your ECU

I have a 96 accord lx I dropped an h22a in it but wen I bought. D h motor it came. Wit a pof-902 ecu.
but I'm running it on a p13 shud I go back to the pof. It originally came wit I also have a few more ECUs I can't identify please help!!!


POJ-L50
POJ-L51
POF-902
P14-L50
Old 09-08-2011, 01:12 PM
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Default Re: How to Identify your ECU

Originally Posted by beto3
I have a 96 accord lx I dropped an h22a in it but wen I bought. D h motor it came. Wit a pof-902 ecu.
but I'm running it on a p13 shud I go back to the pof. It originally came wit I also have a few more ECUs I can't identify please help!!!


POJ-L50
POJ-L51
POF-902
P14-L50
P13 came from a 1992-1995 Honda Prelude VTEC H22a and is OBD1
P14 came from a 1992-1995 Honda Prelude Si non-Vtec H23a
Don't know about the others
Old 09-08-2011, 01:39 PM
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Default Re: How to Identify your ECU

The following was pulled off of Google and needs verifying.
POJ-L50
94 95 HONDA ACCORD
POJ-L51
96 97 HONDA ACCORD
POF-902
JDM 94-97 Accord SiR
Old 10-22-2011, 02:35 PM
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Default Re: How to Identify your ECU

i have a ecu i am trying to i.d. and its missing the sticker inside and out. anyone know a trick for that
Old 08-01-2012, 08:21 PM
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Default Re: How to Identify your ECU

I have a 37820-PLR-J13 ECU that I recently, bought. I only know that it came from a manual seventh generation Civic, but I don't know anything else. Is it OBD2A or OBD2B?
Old 08-02-2012, 04:54 AM
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Default Re: How to Identify your ECU

I see you didnt notice its been a dead thread for about 1 year....
Old 08-02-2012, 05:24 AM
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Default Re: How to Identify your ECU

Originally Posted by gzes
I see you didnt notice its been a dead thread for about 1 year....
Oops, I was reading this on my mobile phone, so I didn't see the dates.
Old 08-02-2012, 08:29 AM
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Default Re: How to Identify your ECU

lol theres a sticky with ecu codes i believe
Old 08-02-2012, 08:32 AM
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Default Re: How to Identify your ECU

The Sticky DOES NOT have anything for my ECU.
Old 08-02-2012, 09:25 AM
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Default Re: How to Identify your ECU

Originally Posted by Nitrous1024
The Sticky DOES NOT have anything for my ECU.
A little bit of common sense and thought would, though. Also, you "know" it's from a 7th gen (01-05) yet you're posting in the 92-00 section.

Here's where the common sense comes in. 92-95 = OBD1. 96-98 = OBD2A. 99+ = OBD2B. 01 > 00.
Old 08-02-2012, 10:34 AM
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Default Re: How to Identify your ECU

Originally Posted by jbpnoman
Also, you "know" it's from a 7th gen (01-05) yet you're posting in the 92-00 section.
I was using a cellphone, so I didn't see which year thread I was in so the error was on my part

Originally Posted by jbpnoman
99+ = OBD2B. 01 > 00.
No, not in all cases. I have another ECU (that's automatic) from a 2002 Civic that's definitely OBD2A.
Old 08-02-2012, 10:57 AM
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Default Re: How to Identify your ECU

Originally Posted by Nitrous1024
No, not in all cases. I have another ECU (that's automatic) from a 2002 Civic that's definitely OBD2A.
I'd love to see some proof on that.
Old 08-02-2012, 11:15 AM
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Default Re: How to Identify your ECU

I had dumped the contents of the ROM using a ROM editor that I had thinking that I could change the fuel map for a particular purpose only to realize that I should have simply looked at the pins to find that it was a OBD2A ECU, and as such it couldn't be done.
Old 01-29-2017, 12:36 PM
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Default Re: How to Identify your ECU

hi everybody. I'm new here! I've got a doubt. I have 1993 honda d16z6 and my ECU 37820-p28-c01 has a problem and I need to replace it and I haven't found the same. I've found ECU 37820 -p28-a01. does it fit in my car? thank you
Old 01-29-2017, 04:34 PM
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Default Re: How to Identify your ECU

Originally Posted by Ruy Menezes
hi everybody. I'm new here! I've got a doubt. I have 1993 honda d16z6 and my ECU 37820-p28-c01 has a problem and I need to replace it and I haven't found the same. I've found ECU 37820 -p28-a01. does it fit in my car? thank you
Yes, it will function in your Canadian car. If you must pass emissions inspections annually, this may not work in your application.
Old 01-29-2017, 04:38 PM
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Default Re: How to Identify your ECU

That will work, the ECU you have is for a Canadian car, if it's a US car you'll have no issues using the A01 ECU, if it's a Canadian car (speedometer in Km/h on the outside and daytime running lights) then you'll throw an ELD code since the car doesn't have one.
Old 03-09-2017, 06:47 AM
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Default Re: "How to indentify your ECU" (Ki3t)

Originally Posted by Benbuilt4u
good stuff
ok guys my ecu code 37820-RAC-U52
where can I get it to buy


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