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Having a problem a/c blow only hot air with ambient temperature sensor outside show -40c on instrument (feels like 30c). I'm going to local dealer and checking ,try to swap ambient temperature sensor locate at front bumper but defect still. They recommend to replace PCM (ECU) and charge me around 1,200 usd. 😢 So now I didn't replace it yet cause technician can not confirm the fault is from PCM too. What should I do sir? Help me please
Please help a/c blow only hot air
