GEN 2 AC circulation on but not functioning

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Old-Raptor-guy

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OP doesn't list year of option package. But my 2020 802A has 32 computers/modules that can store/produce codes.

I guarantee the N-gauge can not talk to any of these outside engine and possibly transmission.

The OBD II protocol mandated by the EPA/ CARB. Only deals with engine/trans (emissions compliance) all other systems can and are encrypted by the manufacturer.

I spend almost 5k a year keeping all my systems up to date. The companies that produce the tools I use must buy the information needed to use the tool from the manufacturer.

No $200 tool is going to do what a $10,000 dollar tool does.
 

POOPonYOU

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I'm having a similar issue. Any outside odor gets in my truck when the A/C is running and recirculating air is activated. I asked the dealer about that but they didn't seem to have a fix.
2019 Crew Cab
 
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