obd 1 system obd2 plug - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-01-2005, 09:07 PM   #1
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Default obd 1 system obd2 plug

94 se has obd 1 system but the obd2 plug of course been told you can jump with a wire just like you can but you have to have the exact pins or else possibly fry computer. service manueal haynes bought at autozone doesn't show the 94 hybrid of course cheap crap wondering if anyone knew the exact pins or heard anything about this
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Old 04-01-2005, 10:12 PM   #2
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you cannot flash the codes, that is 87-93. A trip to Advance to scan the codes....FYI i had my friends 94 century there and they could not pull the codes, and I went to both in town
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Old 04-01-2005, 11:00 PM   #3
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don't have and advanced here just napa orileys and autozone none have the right scanner what are you refering to about not flashing up to 93 you can use a paper clip and pull the codes on anything up to 93 with obd 1 see if the system is obd 1 you would have the same wires as you would a 93 but just where is the placement on the 16 point connector
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Old 04-02-2005, 12:24 AM   #4
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95 is the no flashy thing...Pretty sure 94 is flashable.....Could be wrong....I thought it was the ECC that you couldn't flash after 94?
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Old 04-02-2005, 01:03 AM   #5
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Quote:
Originally Posted by LakevilleSSEi
95 is the no flashy thing...Pretty sure 94 is flashable.....Could be wrong....I thought it was the ECC that you couldn't flash after 94?


94 and 95 are the same Hybrid OBD. you cannot flash the ECC after 93..93 was the last good year, to get all the codes, without the dealer
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Old 04-02-2005, 01:06 AM   #6
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Quote:
Originally Posted by 1993 SLE
Quote:
Originally Posted by LakevilleSSEi
95 is the no flashy thing...Pretty sure 94 is flashable.....Could be wrong....I thought it was the ECC that you couldn't flash after 94?


94 and 95 are the same Hybrid OBD. you cannot flash the ECC after 93..93 was the last good year, to get all the codes, without the dealer
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Old 04-02-2005, 01:14 AM   #7
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Hense why it is known that 93 is the best year, not just stated by me
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Old 04-02-2005, 01:16 AM   #8
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Quote:
Originally Posted by 1993 SLE
Hense why it is known that 93 is the best year, not just stated by me
I meant 93 with the ECC comment....But I thought I was right about 94.....Oh well doesn't matter to me cuz I got a code scanner to read my codes lol. If I can't read them I have access to a Tech II hahaha
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Old 04-02-2005, 11:42 AM   #9
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The 'FLASH' feature wasn't even included in the 94 and newer PCM'*, so even if the wiring was the same, it won't work.

Try to find a member near you with a scantool. Make sure your location in your profile is up to date, as well as your year and model in your signature.
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