julian_keller46

Suburban AC Failure

My 2023 Chevy Suburban with the diesel engine has completely dead AC. Blowing hot air, 'Error stored in the error memory' message, AC system won't kick on, and the warning light is on. Anyone else run into this?

A 2023 Chevy Suburban with a diesel engine is experiencing a complete AC failure, blowing hot air, and displaying an error message with a warning light. The likely cause is identified as a defective air conditioning control unit. A certified technician's diagnosis confirmed this issue, and a repair was quoted to resolve the problem.

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4 comment(s)

I had a similar issue with my Suburban. The symptoms you describe sound very familiar. Do you have any additional information about the error message? Was it a specific code?

Yeah, I had the error memory read out. The shop said the likely culprit is a defective air conditioning control unit. Did you ever determine a likely cause?

Yes, that confirms it. In my case, the air conditioning control unit was indeed the problem. Given the symptoms and the error code pointing towards the control unit, I would strongly recommend having a certified technician take a closer look and confirm the diagnosis. Better safe than sorry, especially with these modern systems.

Thanks for the heads-up! Took it to the workshop, and you nailed it – defective AC control unit. They quoted me 980€ for the repair, which I guess is the price you pay for cool air these days. Thanks again for pointing me in the right direction!

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CHEVROLET

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SUBURBAN