majbarron Posted September 10, 2010 Report Share Posted September 10, 2010 My heater isn't getting hot. Water flow is good. Does anyone have a suggestion on my problem. Seems to be a problem with my thermostat control. I can turn temperature up to 90 degrees and nothing changes. Link to comment Share on other sites More sharing options...
BodybyFisher Posted September 10, 2010 Report Share Posted September 10, 2010 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 Link to comment Share on other sites More sharing options...
majbarron Posted September 10, 2010 Author Report Share Posted September 10, 2010 How do i check the DTC codes Link to comment Share on other sites More sharing options...
majbarron Posted September 10, 2010 Author Report Share Posted September 10, 2010 nevermind i didnt pay attention to your reply to well. i figured it out. i will check it out this weekend Link to comment Share on other sites More sharing options...
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