You may Not even need that. On Chrysler products, at least, flipping the key in the ignition switch, and the engine off, three times quickly between on and off produces the trouble code on the odometer readout.
I've got an '06 GMC 2500. I'll try that next time I get the light.
98 posted on 11/25/2014 12:26:55 PM PST by TangoLimaSierra
(To win the country back, we need to be as mean as the libs say we are.)