Holmsey Posted March 11, 2020 Report Share Posted March 11, 2020 Went out today for a drive. Had a message come on dash saying limited to 90 mph, there was a second message showing high tire pressure high on two of the tires. I'm guessing that since it finally warmed up here the tire pressure increased. Is this something that Cadillac does? or is there another issue I should worry about. It got dark out so I have not readjusted the pressure in the tires yet. Quote Link to comment Share on other sites More sharing options...
rockfangd Posted March 12, 2020 Report Share Posted March 12, 2020 How high does it say they are? Welcome to CaddyInfo Quote GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
Holmsey Posted March 17, 2020 Author Report Share Posted March 17, 2020 They were only 39 & 40 I readjusted the pressure and that was not it. I did the on-board and it was showing a bunch of 1000 type codes. did not have a pen and paper to write them down. will pull them again and post them. Took it out on the highway and it runs fine and I did take it over 100 with no issues Quote Link to comment Share on other sites More sharing options...
BodybyFisher Posted March 17, 2020 Report Share Posted March 17, 2020 Try to post the exact codes. 1000 type codes are probably U network codes, post all codes here Quote 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...
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