In many cases, to do so, all you'll need is a trusty OBD2 scanner. This is one of the newer options from Autel and it's currently on sale for nearly half-off. Click here to check it out and take ...

The rare OBD-II automotive diagnostic scanner that has a multimeter electrical tester to track down an intermittent fault or check a light bulb, the Autel AutoLink AL539 does double duty.