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passlock has been activated you have to turn the key to the on position for 10 minutes for the computer to reset but it may take up to thirty minutes or longer to crank sometimes.
Battery cables dirty If you hear a click the starter is defective Turn on your head lights try to crank it if the lights get dim you have a dead batter or a bad connection If nothing happens check for voltage at the starter positive wire.
Check the ignition coils and the crank sensor for the Yukon. Either one of these could be bad and cause the problem.
Clean your battery terminals.
Crank but not start and run, possible. Not to crank, start or run, no. No lights or horn, no.
bad crank sensor
Does the engine crank but not start? Or does it not even crank? Based on the information you gave, you could have a bad starter or weak battery. Dead battery. Recharge it or get a new one.
Some old glass windows open with a crank. To play the earliest phonographs, you had to crank them to spin the turntable. When he reported strange lights in the sky, the police thought he was a crank.
It can cost 150$ or more. Try this first. Turn your switch on, but don't try to crank the car. Just turn the key til the dash engine lights come up. Leave it like that for about 10 minutes. Then try to start it. It should reset and crank.
possibly your crankshaft sensor or ignition control module
Check headlights and dashboard lights first. If no/minimal power for the lights then replace battery.
crank sensor is getting hot/ bad crank sensor