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1998 sls heater not getting hot

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Check to see if you have any DTC codes set.

Go to www.caddyinfo.com, go to HOW TO, go to DTC codes, and follow directions for your year and post your codes here

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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