[Gmecm] Clearing fault codes

[Mike V]

IIRC, diacon could clear them in my 91 GMC with a 749 and #58 mask
mv

At 08:56 AM 6/10/2006 -0400, you wrote:

>I haven't had any luck using aftermarket laptop software to clear 7749 
>MALF's.  I can't remember if the dealer scantool was effective for 
>this.  I generally pull the plug if I need to clear the codes right now.
>
>There is code in the $58 which causes the ecm to automatically clear 
>MALF's from memory after a specific number of key cycles.  I set that to 
>5, figuring that a current code will continue to be current, and a passing 
>code due to my error with an eprom or running too much boost shouldn't 
>hang around at all.
>
>
>Zaphod