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Reset computer

Tiny
DANIEL777
  • MEMBER
  • 1999 CADILLAC ELDORADO
V8 front wheel drive automatic 65,000 miles.

Hello 2carpros,

I installed a new compressor. The Cadillac Dealer can not reset computer. My personal mechanic can not reset the computer.

The computer "thinks" it out of charge, service AC, and low on refregerent. Light is on.

Your thoughts would be greatly appreciated. The psi is normal.

The cycling switch is new also.
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Monday, August 18th, 2008 AT 5:07 PM

3 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
These cars had a problem with the high pressure switches on the line running along the top of the firewall. I cannot remember which one it is one is for the system and the other is for the computer. Regardless, the car will not turn the system back on until the codes have been cleared from its on-board system. Key on, hold down "off" and "warm" at the same time (passenger warm for dual zone) until read out changes, then let go. Press fan low speed (down arrow) until "ACM" appears, then fan high (up arrow) until "ACM codes?" appears. Then fan low (down arrow) until "clear ACM codes?" appears, then fan high (up arrow) until "ACM codes clear" appears.
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Tuesday, August 26th, 2008 AT 7:53 AM
Tiny
MARK DENMAN
  • MEMBER
  • 1 POST
Google and you guys @2carpros. Saved us a bunch of adversary!
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Sunday, July 23rd, 2017 AT 11:20 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,882 POSTS
Glad you could get it fixed. Please use 2CarPros anytime we are here to help.

Cheers, Ken
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Monday, July 24th, 2017 AT 2:45 PM

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