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Failure to Communicate.

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TML529

Post subject: Failure to Communicate.

Posted: Mon Mar 21, 2011 2:31 am

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Joined: Thu Jul 24, 2008 9:51 pm
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Name: Byg Boy

The engine light popped on so I had it scanned & what I got was "Failure to communicate with HVAC". Anyone know what this means or how to solve the problem?

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2000mistedGTP

Post subject: Re: Failure to Communicate.

Posted: Fri Apr 22, 2011 7:08 am

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Joined: Sat Jan 19, 2008 2:44 pm
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Location: Hanover park, IL
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Name: Vince

TML529 wrote:

The engine light popped on so I had it scanned & what I got was "Failure to communicate with HVAC". Anyone know what this means or how to solve the problem?

Were starting to see this a lot at work. 9/10 when we get a communication code its related to a ground issue not a module problem.

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2000 Silvermist GTP. CAI, 180 t-stat, stage 2 shift kit, u-bend and resonator delete, fastkatt tuned PCM, autolite P104's, 3.4 pulley, altenator wire upgrade.

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