Yeah I thought about grabbing one from the junk yard but didn't want to end up with another bad one. From what I understand this is a fairly common problem. That's why I asked if anyone knows how to repair them. Assuming its probably a component inside that goes bad and needs to be removed and a new one resoldered, or even just a solder joint that cracks and needs to be done again like with the gauge clusters.
Rear hvac module discontinued. Can mine be repaired?
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it's not that common, it happens but 99% of the time it is a bad actuator, I would guess that you would probably not find a bad one in the junkyard and if you did most yards give a 30 day warranty (exchange) anyway
I'll have to make sure before I buy one providing I need to go that route. Thank you
This seems to indicate that the module isn't getting the power, ground, or perhaps the signal from the overhead control to change.
If the truck has the AUTO controls, is it being commanded hot in AUTO, or by setting the control temp manually on the overhead control?
in the meantime you can turn it to hot and unplug the actuator so you can have heat until you get it fixed
The OP hasn't been on here since Feb 11th. I wouldn't expect an answer.
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