Rear HVAC Issues Codes present

Hey Guys,

I have the following codes coming from my Rear HVAC codes on my 2004 TrailBlazer EXT.

B0428
Temperature Control 3 Circuit Malfunction

B0145
Air Flow Position Command 3 Circuit

My question is where can i find these 2 actuators and what par numbers are they.

Thanks in advance.
 

Blckshdw

Moderator
The rear HVAC components are behind the passenger side cargo panel. Please see the exploded diagram Roadie has posted in the past, for part numbers.

 
OP
OP
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SoundGuy2014

Member
Blckshdw said:
The rear HVAC components are behind the passenger side cargo panel. Please see the exploded diagram Roadie has posted in the past, for part numbers.

Perfect Thanks Blckshdw that is exactly what I was looking for!!
 

Eguns80

New Member
The rear HVAC components are behind the passenger side cargo panel. Please see the exploded diagram Roadie has posted in the past, for part numbers.

I have these two codes plus B3531 can you show me where i can find this and the part number
 

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