08 ram 5.7 engine is missing rebad at idle and clatter like a push rod was loose under a load.. i replace one coil back a few month ago because some issue with the plugs. well that coil too dump on me thursday truck was running bad I scan it at work which confirm my thought on the cyl i replace the coil which was a cheap coil lesson learned.. it running better with the old coil but it still missing.. i scan it today it gave me codes P1411 and P1416 need to be reactivation.. how can i do that i dont have the money to go to the dealership.. google it and someone said to take the battery cable loose and hold them togther for 20 minute and this would reset the pcm.. will this work? please someone help me with this I have to have my running monday to dad to his doctor appointment..