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rpmdiag
rpmdiag, Tech and Instructor
Category: Dodge
Satisfied Customers: 6878
Experience:  Since 1975
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I have no power to the heater ac control unit

Customer Question

I have no power to the heater ac control unit
Submitted: 1 month ago.
Category: Dodge
Expert:  rpmdiag replied 1 month ago.

Hi, I'm Ron and I will be helping you today.
Stand by for a moment while I prepare your answer.

Expert:  rpmdiag replied 1 month ago.

This sounds like a module problem that has to be tested with a scan tool in bidirectional mode by pinging all the modules independently. Check for codes to, especially U codes.

Thanks, Ron

Customer: replied 1 month ago.
is there a relay for the ac/ heat control?
Customer: replied 1 month ago.
is there a relay for the ac / heat control?
Expert:  rpmdiag replied 1 month ago.

You need to check the fuses in the power distribution box under the hood near the battery. They are all clearly marked.

Thanks again and please remember to rate me 5 stars and keep this link in case you need me again later on.

Ron

Expert:  rpmdiag replied 1 month ago.

Our goal here is to assist you in the repair of your vehicle by
supplying you with well educated information. We may not always
have the exact fix you wanted to hear, but our job is to get you on
the right track, which we always do. We can’t hear, see, smell or
touch your vehicle from where we’re at, so your understanding of
that is greatly appreciated. There are no magical or miraculous
answers, but we do our best to guide you in the right direction.

Expert:  rpmdiag replied 1 month ago.

If you are satisfied with my answer, I would greatly appreciate a 5
star rating now and I will still assist you after you have rated me
too if another question pops up. I don’t get credit for helping you
until you rate me.
Thanks again, Ron

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