Can you clean the ICU and how to check for bad ECM? - 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 07-21-2009, 06:37 PM   #1
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Default Can you clean the ICU and how to check for bad ECM?

My bonnie shorted out as I was driving it. It just had been running at 35mph and everything just went dead I was glad there was no one behind me. Auto zone said it was either my ICU or my ECM? How do I find out and where do I go from here? I have just have about lost my marbles here every day it is something else wrong! Please help...... Thanks
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Old 07-21-2009, 06:40 PM   #2
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I might be mistaken, but I seem to remember the ECM being a problem on your year. If that'* the case get a new one from a salvage yard. Billboost should be able to answer that.
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Old 07-21-2009, 06:44 PM   #3
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The ECM is the cars computer right? Thanks
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Old 07-21-2009, 06:54 PM   #4
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Yes, what we call a PCM now.
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Old 07-21-2009, 07:07 PM   #5
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Do you know what years would work with my car and do I need one from a SC version? Do I just plug in the eprom into the new one and put it into my car after taking it out? Thanks
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Old 07-21-2009, 07:19 PM   #6
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Sorry, those are answers I don't have.
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Old 07-21-2009, 08:18 PM   #7
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im prety sure yours is ging to look like the one that i have in mine. im prety sure you need the SC version because i baut this one off of ebay

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see the letters on the right, the one that was in my car was "BCCF" and the one i baut was a "BCFN". when i pluged it in it sounded like a SC versoin would sound if the supercharger belt had snapped. I went to a junkyard and found one that was "BCCF" and its still workin fine
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Old 07-21-2009, 09:09 PM   #8
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did you hit any sort of bump when your car died? and did it start right up after it happend?
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Old 07-21-2009, 09:10 PM   #9
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No bump and it took a minute to get it started back up.
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Old 07-21-2009, 11:08 PM   #10
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Here is all GM vehicles that you can interchange with:

Quote:
BUICK LESABRE CUSTOM (1994 - 1995)
BUICK LESABRE LIMITED (1994 - 1995)
BUICK PARK AVENUE (1994 - 1995)
BUICK PARK AVENUE ULTRA (1994 - 1995)
BUICK RIVIERA 1995
CHEVROLET LUMINA APV (1994 - 1995)
OLDSMOBILE 88 ROYALE (1994 - 1995)
OLDSMOBILE 88 ROYALE LS (1994 - 1995)
OLDSMOBILE 88 ROYALE LSS 1995
OLDSMOBILE 98 REGENCY 1994
OLDSMOBILE 98 REGENCY ELITE (1994 - 1995)
OLDSMOBILE SILHOUETTE (1994 - 1995)
PONTIAC BONNEVILLE SE (1994 - 1995)
PONTIAC BONNEVILLE SSE (1994 - 1995)
PONTIAC TRANS SPORT (1994 - 1995)
Please refer to catalog for application details.
Quote:
ACDELCO Part # 16183247
MODULE,Powertrain Control(REMAN)

$193.79
source is from Rockauto.com
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