Ask a Mechanic Online and Get Answers to Your Car Questions
could be the ignition control module or the ignition switch its self
no not always only if its not working at all
To test, use a voltmeter to check for power at the control module with the ignition on. If there is power, crank the engine and check for a pulsating ground at the module. This pulsating ground is a signal from the car's computer. If there is no signal, the problem is with the computer or a sensor.