code history clearing.. [NEW CODEx2] - 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 11-09-2007, 08:34 PM   #1
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Default code history clearing.. [NEW CODEx2]

how the heck do I do it?...

in my '95 (which i'm now driving) I hooked up my scan tool and looked at the Code history, there where 9 codes stored, but I didn't know from how far back, since I've driven the car VERY little and had no issues. The problem is, when I tell the scanner to clear the codes, it just site on the wait screen and nothing happens for like 10 mins, then it goes to an opporation error screen... am I doing anything wrong, and is there another way to manually clear the codes?
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Old 11-09-2007, 08:37 PM   #2
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disconnect the battery for 10 minutes
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Old 11-09-2007, 09:41 PM   #3
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When you tell the Tool to clear the codes it should have no issues doing so on the 95... But if it does you can disconnect the battery, but the PCM will have to learn again...

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Old 11-11-2007, 01:44 PM   #4
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guess my car will have some re learning to do
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Old 12-03-2007, 01:02 PM   #5
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UPDATE:

I figured out the problem....

out of habbit i looked up for my 92 not my 95.

a check engine light came on this morning so I re hooked up and almost made the same mistake..

i checked codes, and there where 29 history codes, so i cleared everything, and will keep an eye on it all to see what happens.
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Old 12-03-2007, 01:07 PM   #6
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I can't even imagine how long it would take to view 29 history codes with the flash flash OBD1 way
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Old 12-03-2007, 01:18 PM   #7
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Quote:
Originally Posted by harofreak00
I can't even imagine how long it would take to view 29 history codes with the flash flash OBD1 way
Ha, no kidding!

i didn't even got through them all on the scanner

i had things like Lean codes, and Rich codes, maf codes, O2 cods, fauity wiring codes...ext..

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Old 12-03-2007, 01:34 PM   #8
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29 History Codes? OMFG

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Old 12-03-2007, 10:00 PM   #9
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ok, only 1 code came back...
  • 406
    Linear EGR
    Pintle Pisition
    Position Error

what do I need to do to fix it?
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Old 12-03-2007, 10:01 PM   #10
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Clean or replace the EGR

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