2004 Chevy Suburban
My Chevy Suburban 2004 5.3 liter half ton 4wd
speed thermometer is not working and is not
shifting I change the transmission is still the same
problem please help
A code check would be a good place to start, could be a neutral switch bad, speed sensor defective, wiring problems, or even the BCM.
If the speedo isn't working, the speed sensor potable isn't working. If that isn't working the trans won't shift. Usually defaults to 3rd gear but can also be stuck in first.
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