Code Trouble - 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 06-14-2005, 12:37 PM   #1
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Default Code Trouble

When retreiving my codes I am getting 6 shorts then 9 shorts... No idea what it is.. some help would be greatly appreciated.
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Old 06-14-2005, 01:55 PM   #2
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Default Re: Code Trouble

The A/C head pressure switch closes to ground at apprximately 210 psi. When the head pressure switch completes circuit 603 to ground, the fans should run at high speeds. If a code 69 is set, the engine cooling fans will run on high speed anytime A/C is reguested.

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Originally Posted by russianpolarbear
When retreiving my codes I am getting 6 shorts then 9 shorts... No idea what it is.. some help would be greatly appreciated.
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Old 06-14-2005, 01:59 PM   #3
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Is this bad?
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