Hey I have a 2001 Jeep Grand Cherokee with the 4.7L, I have been having problems with it starting... I have to jump it every time it starts. I have replaced the battery and the alternator but it acts like something is draining the battery. It's showing 2 codes which are P0601 and P1698 which both have to do with the PCM, can someone help me with this problem?? Do I need to replace the PCM??