u0166 code fix: loss communication with auxiliary heating control module, other heating solutions

Hello there, in this video you will see how to diagnose the u0166 error code - loss communication with auxiliary heater control module: causes, symptoms, solutions, and how to change the control module when faulty.
this video relates to all car brands and model.
again we explained other heating problems in your car and how to fix them. you will see why your car is not heating your cabin properly when you want.
finally you will also see factors that are affecting your car heating system and how to solve all these and keep your car comfortable for you especially in cold seasons.
the u0166 error code is not an engine code, but the code if left unsolved could really keep you very uncomfortable as you try enjoying your ride.
the video relates to the auxiliary heating and every other heating issues in the cars.
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