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Cadillac CTS-V 2004-2007 (Gen I) The Caddy with an Attitude...

ENGINE HOT - AC OFF - No temp readying

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Old 03-18-2018, 01:28 PM
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Staging Lane
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Default ENGINE HOT - AC OFF - No temp readying
Had to remove my radiator to replace the harmonic balancer and now i'm not getting any temp reading and I get "ENGINE HOT - AC OFF" message on my radio. I have enough coolant in the system.
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Old 03-18-2018, 03:14 PM
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unplugging the battery for a few min. resolved the problem.
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Old 03-21-2018, 08:08 PM
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If it comes back it could be the coolant sensor in the front of the drivers side head. I think the contacts in mine got too mush power steering fluid in them
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