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- Cadillac Deville (https://www.cadillacforum.com/forum/cadillac-deville-15/)

- - Code P1258 (https://www.cadillacforum.com/forum/cadillac-deville-15/code-p1258-3508/)

jpchris

08-18-2007 01:15 PM

Code P1258

Have a 99 DeVille and received this code. P1258 this is not listed in the book. Anyone have any idea what it might be?
Thanks:)

Katzmans Caddy

08-19-2007 10:29 PM

RE: Code P1258

P1258 - Engine Coolant Overtemperature - above 268°F - Protection Mode Active

jpchris

09-06-2007 09:45 PM

RE: Code P1258

ThanksKatzmans Caddy, that is what showed on the dash, but couldn't find the code in my code reader.

Katzmans Caddy

09-06-2007 10:32 PM

RE: Code P1258

OK, don't know if you are aware but the N* has a limp home mode when the engine overheats so that you can safely drive the car home or to a shop. That's what happened. Power is reduced but the car will still make it about 50 miles or so..

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