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2004 DTS Message came on limited to 90 mph

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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.

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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


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Try to post the exact codes.

1000 type codes are probably U  network codes, post all 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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