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Ron
Ron, ASE Certified Technician
Category: Chevy
Satisfied Customers: 33453
Experience:  35 years experience with ASE Certs
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I cannot find my hvac ecas 10 amp fuse in my 2009 tahoe, it

Customer Question

I cannot find my hvac ecas 10 amp fuse in my 2009 tahoe
JA: Most vehicles have two fuse panels. Do you know what they look like?
Customer: it should be in my underhood fuse box but its not labled hvac ecas
JA: What is the model of your '09 Chevy?
Customer: tahoe
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: yes trying to find tht fuse to reset my ac drivers side blowing hot air and passenger side ice cold
JA: Anything else you think the mechanic should know?
Customer: no just what fuse number is ***** hvac ecas fuse
Submitted: 3 months ago.
Category: Chevy
Customer: replied 3 months ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  Ron replied 3 months ago.

Hello, my name is ***** ***** I am a professional here at Justanswer. Thank you for your question and I will assist you with your concern.

Are you looking for the HVAC control module power feed fuse?

Customer: replied 3 months ago.
would tht be another name for the hvac ecas 10 amp fuse
Customer: replied 3 months ago.
ifind nothing in my manial of the hvac control module what fuse number would tht be
Customer: replied 3 months ago.
hello
Expert:  Ron replied 3 months ago.

There are three fuse that power the system that you can try removing and see if the blend door will reset. If after doing so and the problem remains then most cases that meas there a problem with the blend door actuator. The fuse to try are the fuse 39, fuse 70 and fuse 48 which are all located in the under hood fuse panel .

Customer: replied 3 months ago.
ok will try so take them out leave them out and than restart car wht sequence
Expert:  Ron replied 3 months ago.

Yes if that is the problem then that should reset the system. If after doing this and the problem remains then you most likely have a failing blend door actuator. Try the fuse reset first.