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- - OBD2a or OBD2b (https://www.homemadeturbo.com/hybrid-tech-8/obd2a-obd2b-23788/)

xero2hero

07-22-2004 11:13 AM

OBD2a or OBD2b

I have two ECUs, I believe an 00' civic dx which should be OBD2b....

Heres a link to a thred with pics of the ECUs, I need to knoe which one of the ECUs is OBD2a and which is OBD2b.....also which should i be running in my car.

https://www.homemadeturbo.com/forum/...threadid=24472

88crxSi

07-22-2004 11:24 AM

Re:OBD2a or OBD2b

there should be a year stamped on them.

96-98 = "a"
99+ = "b"

xero2hero

07-22-2004 11:43 AM

Re:OBD2a or OBD2b

Man, you got my hopes up, I cant find a stamp anywhere....

I can't find these codes on google either...

88crxSi

07-22-2004 12:12 PM

Re:OBD2a or OBD2b

try cracking the ecu open and looking for dates/markings.

xero2hero

07-22-2004 12:13 PM

Re:OBD2a or OBD2b

Good call, Ill check it out...

88crxSi

07-26-2004 08:29 AM

Re:OBD2a or OBD2b

well? :)

Ravage70

07-26-2004 10:48 AM

Re:OBD2a or OBD2b

he musta cracked it open like u would an egg

xero2hero

07-26-2004 05:39 PM

Re:OBD2a or OBD2b

Sorry guys....it was an older ECU....problem is now fixed. You guys are awesome

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