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How do I read DTC Codes


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The display on my dash on my 1997 STS reads Low Refrigerant. I read in my manual and it says that it is either low freon or the orfice tube is plugged. Where is the orifce tube and which two buttons on the dash can I push to give a more definate resolution to my problem. Some cars you can push temp up and off switch at the same time and it tells you what to do. What two items do I push to more diagnose my problem. Help--

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I split your posting off from the thread you posted to, it did not belong there

In order to read your codes do this

Go to www.caddyinfo.com

Go to HOW TO

Go to DTC codes

Go to your year and follow the directions as to how to pull your codes and post them here

See my signiture below for more details

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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