hI, I WAS DRIVING MY CAR AND THE DEFROST CAME ON BY ITSELF ON HIGH WITH COLD AIR AND THE DASHBOARD WHERE IT READS TEMP, FUEL RANGE, OUTSIDE TEMP, MPG DISSAPEARED AND WAS REPLACED BY {----} I RED THE CODES IT READ 1033 1034 1037 1039 WHICH IS A LOSS OF DATA FOR PCM, SIR, ACP. ICP. I DISCONNECTED THE FAN MOTOR DUE TO THE COLD AIRALSO. WOULD THIS BE A COMPUTER PROBLEM OR MAYBE A FUSE TO THE COMPUTER OR IS THIS SUMTHING MORE SERIOUS? PLEASE ANY FAST INFO WOULD HELP MY TREMENDIOUSLY!.
PS: ALSO IS OK TO DRIVE IT FOR SHORT TRIPS FOR A COUPLE DAYS UNTIL I CAN GET IT FIXED OR FIND OUT WHATS WRONG! THANKS.Sal

I'd take it in for service as soon as you can. I'd agree with you that it's probably a computer, fuse, or wiring problem (have you seen any rodents around your car lately?).

Sal,
First thing: Turn off the caps lock. People around here see that as yelling.

Second:
This was on the radio ony right? Not in the guage cluster?
What did you use to check the codes?
Have you done any mods to the car? (wiring, stereo, anything)

My feeling is let the car sit for a while, then try to drive again. If it happens after you let the car sit for a few hours, then take it in. Could have just been a serial bus issue (communication problem).

Reed
http://www.cadillacfaq.com

hi sorry about the caps, second it was My cluster, i did what u said and it worked! but what did u mean about the serial bus? thanks for ur encouragement. sAL

also would like to say sorry for posting in wrong area and no i havent had any rodents it to cold here lol