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Message: <blockquote data-quote="2strokesteve89" data-source="post: 189619" data-attributes="member: 1670">Does your truck have an A/T with a floor shifter?......if so your problem could be the shift lock actuator, back feeding voltage to the brake pedal switch, fooling the pcm into thinking the brake pedal is being applied, check for voltage at the pink/light green wire on the 4 wire connector at the brake switch, if there's two switches, it should be the lowers switch. there should be 0 v with brake pedal at rest, if any voltage present, disconect connector and recheck, if still present, go to connector at shift lock actuator at shifter and disconnect, if voltage at brake switch connector goes away, replace shift interlock actuator.There is a TSB# 05-6-10.......it states this problem applies to 04's built before 05/17/04.Hope this helps.</blockquote>