That procedure is the self-diagnostic for the instrument cluster only. It's quite entertaining to watch the various
functions going through its' self check routine. Unfortunately, according to the factory service manual, you need the
scan tool to retrieve error codes for the engine and emissions systems. DOH!
gk
________________________________________________________________________
Gary E. Klim - Somewhere in central Connecticut garyklim@snet.net
http://pages.cthome.net/garyklim/ gklim@harman.com
________________________________________________________________________
-----Original Message-----
From: Joe Borg <joe.borg@ccmail.dowjones.com>
To: dakota-truck@buffnet.net <dakota-truck@buffnet.net>
Date: Friday, March 13, 1998 9:22 AM
Subject: DML: 98 DIAG CODES
> Just ran out and checked my 98 diag codes with new procedure and it
> works! Hold down the odometer reset button then turn on ignition while
> holding button for another 10 or so seconds. The odometer displays
> "chec" then a "snakey " pattern, all trouble lights and guages are
> cycled, then a normal odometer reading. I guess if there were
> problems, the code would appear. So they DID change it for 98. If
> anyone can add to this please do so. Have a great weekend! Joe Borg
>
>
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