air conditioning problems

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Feb 1, 2009 | 03:19 PM

99silvercoupe

Thread Starter

Instructor

Joined: Jul 2008

Posts: 134

Likes: 0

From: Phoenix AZ

air conditioning problems

to all the a/c gurus....

when i push the a/c button the light flashes for 1 to 3 seconds than it shuts off. compressor never engages.

what is happening? anyone?

Feb 1, 2009 | 04:01 PM

TUF-NUF

Drifting

Joined: Dec 2004

Posts: 1,591

Likes: 2

From: kent ct - "if i'm not in the vette, i damn well better be on the yacht."

St. Jude Donor '13

If you lived in the Northeast, I'd say it was on hiatus...

(sorry, I had to...) Bump for ya! Best of luck w' your problem.

Feb 2, 2009 | 12:57 AM

kevin40zx

Burning Brakes

Joined: Oct 2006

Posts: 1,006

Likes: 0

From: Cincinnati OH

Any codes on the DIC?

Maybe check for low freon level.

Feb 2, 2009 | 01:49 AM

at88mph

Team Owner

Joined: Dec 2001

Posts: 21,766

Likes: 25

From: The artist formally known as NONO5.0 Mobile, Al

Wow! I just answered this question on a thread just the other day.

Check fuse #24 to make sure its not blown. If its ok, then its probably your freon charge. Usually the blinking light is a sign that its low and it won't let the compressor run.

Feb 2, 2009 | 04:10 AM

VET-005

Racer

Joined: Dec 2006

Posts: 343

Likes: 1

From: LasVegas Nevada and NSW Aust

Sound like you have low freon. If you dont have enough in the system the pressure switch will not activate the compressor.

Feb 2, 2009 | 11:15 AM

jedblanks

Safety Car

Joined: Dec 2004

Posts: 3,526

Likes: 17

From: Santa Fe TX

Quote:

Originally Posted by kevin40zx

Any codes on the DIC?

Check your HVAC codes. Using the Fuel + options 4 times buttons you can read all the codes. Pay attention to the ones under the HVAC section.

Feb 2, 2009 | 04:58 PM

99silvercoupe

Thread Starter

Instructor

Joined: Jul 2008

Posts: 134

Likes: 0

From: Phoenix AZ

air con

no codes in hvac section.

only code is 10-pcm PO 645

can anyone tell me what this code is? i did not find it in my code thread list.

thanks.

Feb 2, 2009 | 05:00 PM

Foxman86

Racer

Joined: Oct 2008

Posts: 302

Likes: 0

From: St. Charles IL

not sure what that code is, but I had that same problem with my car. I just had to recharge it. just fixed it last week actually

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Feb 2, 2009 | 05:07 PM

MySR71

Pro

Joined: Nov 2000

Posts: 743

Likes: 30

From: Farmington Hills Michigan

I think that will happen if the fan (blower) is set to too slow. Have you tried increasing the fan's speed on the HVAC controls before pushing the AC button?

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