Bad weather today so started the Tahoe and let it warm up.
Hit the button on the dash for 4X4 hi range mode and it blinked a bit and then engaged.
Drove about 5 miles and parked at the store.
Came back out and started the truck. 4X4 light now flashing and will not engage. Tried repeated times from 2 to 4 high range and it just blinks.
If I try hi to low range I get a clunk at the rear end so it is doing something but the low range light also just blinks. Makes a similar sound going back to high range.
One thing I did notice is when shifting from 2WD to 4WD or 4WD to 2WD, standing still and in neutral, I hear what sounds like a relay clicking in the dash near the left window pillar.
I have not checked fuses yet.
I thought maybe frozen but it was working until the truck was shut off. Then a restart and the 4WD light just blinks.
Thanks for any initial thoughts. I'll check stuff as I am able.
Hit the button on the dash for 4X4 hi range mode and it blinked a bit and then engaged.
Drove about 5 miles and parked at the store.
Came back out and started the truck. 4X4 light now flashing and will not engage. Tried repeated times from 2 to 4 high range and it just blinks.
If I try hi to low range I get a clunk at the rear end so it is doing something but the low range light also just blinks. Makes a similar sound going back to high range.
One thing I did notice is when shifting from 2WD to 4WD or 4WD to 2WD, standing still and in neutral, I hear what sounds like a relay clicking in the dash near the left window pillar.
I have not checked fuses yet.
I thought maybe frozen but it was working until the truck was shut off. Then a restart and the 4WD light just blinks.
Thanks for any initial thoughts. I'll check stuff as I am able.