An ECU is essentially the brain for a 1999 GMC Suburban. Without an ECU the truck will not be able to operate at all.
My 99 gmc suburban is stuck in 4 wheel drice low
replace rear brake hydrolics
What do you want to know about its oul changes? When, how, the cost...?
You should have programming instruction in the user manual.
it may have a cracked circuit board, my blazer had the same problem
Just changed mine today in a 99 GMC K2500 Suburban 4WD and it took 3 quarts
That year did not use a carburetor. Those models came fuel injected.
Turn off with the temp button, BUT HOLD FOR 5 SECONDS, it should change
how so you turn on the daytime running lights on a 99 suburban
plastic bezel that holds the three lighter in the dash of my 99 suburban clip on?
I don't have a 99 GMC Jimmy