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Question
RushRoolz
I have a 2003 Suburban 1500 and I have the following issues:
1) The air recirculating button does not appear to do anything. I push it, it flashes and then turns off. It doesn't seem to matter what mode the system is in.
2) The outside temp/compass indicator in the rear view mirror does not work. It worked randomly a couple days in the last year, so 99% of the time it does not work and has not worked in months.
3) I cannot use the remote lock/unlock key fob (yes I have replaced batteries and even bought a new one, etc). It worked when I bought the truck a year ago, but hasn't worked for about 9 months. So I lock and unlock with the key.
4) This morning the display says "Service 4WD" and none of the lights on the selector switch are lit. I am in 2WD now.
Issues 1, 2, 3 are trivial to me, just "nice to have" things. But I need 4WD. I had a minivan once that had some similar quirks and the dealer just reset something and it all worked again so I'm wondering if maybe something got out of whack on a computer board or something and just needs a reset? I'd like to have some ideas before heading to the delear for an expensive fishing expedition.
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