Ecm change - 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 07-23-2010, 05:22 PM   #1
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Default Ecm change

Is there a way to convert my 95 1.5 ecm to anything else, Ive had to replace the computer 5 times in the last year, ive heard they were junk but damn. Any advice would be helpful.
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Old 07-23-2010, 05:51 PM   #2
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Nope. Your stuck with it. 5th one? Hmmm, get 1 more and 6th times the charm?
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Old 07-23-2010, 05:53 PM   #3
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It'* possible, not not easy.
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Old 07-24-2010, 12:28 AM   #4
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is your car an ssei?
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Old 07-24-2010, 01:41 AM   #5
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i can get you the diagrams necessary, but did you have a specific one in mind?
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Old 07-24-2010, 02:05 AM   #6
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Quote:
Originally Posted by RobertISaar View Post
i can get you the diagrams necessary, but did you have a specific one in mind?
In otherwords, yes, its possible. You can go OBD1 or OBD2. Robert can walk you through both.
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Old 07-24-2010, 04:20 AM   #7
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Get an ecm from the 95 Buick regal or riviera that is the same as yours and then put the chip from your Bonnie in it and then you should be set. I hope that helps you out.
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Old 07-24-2010, 04:44 AM   #8
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BONNEVILLE 94-95 Elec Cont Module (ECM)

EIGHTY EIGHT 94-95 Elec Cont Module (ECM)

LESABRE 94-95 Elec Cont Module (ECM); (6-231, 3.8L)

LUMINA VAN 94-95 Elec Cont Module (ECM); 6-231 (3.8L)

NINETY EIGHT 94-95 Elec Cont Module (ECM)

PARK AVENUE 94-95 Elec Cont Module (ECM); (6-231, 3.8L)

RIVIERA 95 Elec Cont Module (ECM)

SILHOUETTE 94-95 Elec Cont Module (ECM); 6-231 (3.8L)

TRANS SPORT 94-95 Elec Cont Module (ECM); 6-231 (3.8L)

that'* what fits, regal is not in that list.
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Old 07-24-2010, 12:52 PM   #9
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that'* because the regal has a weatherproofed version of the same ECM. has different connectors.
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Old 07-24-2010, 12:58 PM   #10
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that'* because the regal has a weatherproofed version of the same ECM. has different connectors.
So is this the OBDII version that sits in the engine bay?
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