LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

DTC 61 AC issue

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Old Aug 2, 2008 | 03:53 PM
  #1  
wrd1972's Avatar
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From: Kantuckee Yo'
DTC 61 AC issue

Car is posting DTC 61.

Right now the AC compressor on the motor will not kick in. If I short across the relay, the compressor will kick in so the problem is not circuit related at least from the relay to the compressor.

If I pull the PCM fuser and reset, the AC does work and make cold air for a short time then the code again comes back and then the AC compressor wont work.

Any thoughts. Its hot as hell here.
Old Aug 2, 2008 | 04:32 PM
  #2  
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From: Little Rock, AR
Your charge is probably low. The PCM is protecting the compressor from damage by shutting it off.
Old Aug 2, 2008 | 04:33 PM
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From: Sarasota/Tampa, FL
I had the exact same problem with mine last week same code. Mine actually turned out it just needed a recharge it took about 1 can of R134a. At first I was stumped cause mine low side reading said it was full, but my high side was very high and flucuated a lot. So I started filling and it took a whole can and still read it could take more but I stopped cause the air was blowing hella cold.

here's my thread: https://www.camaroz28.com/forums/sho...d.php?t=623558
Old Aug 2, 2008 | 04:43 PM
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From: Kantuckee Yo'
Thanks guys. I have a can of 134A. Do I need guages to monitor the pressure? What do they typically cost?
Old Aug 2, 2008 | 04:55 PM
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From: Sarasota/Tampa, FL
Originally Posted by wrd1972
Thanks guys. I have a can of 134A. Do I need guages to monitor the pressure? What do they typically cost?
yeah just get a can that has a guage built on it mine was like 20 bucks at advance auto parts.
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