no communicaton

so long story short, went to replace throttle cable then went to start and test out, didn't realize cable was too short and started it up with intake slightly open heard a loud click/clank, got cam/crank sensors not synched, pulled opda and replaced just to be sure, did tdc and all, now got a...

My jeep died while driving down the road and will not start back up. The security key light is on and everything else on the jeep seems to be working right but when I try to get a code it will not communicate with the PCM. I have read that some sensors can go bad and cause this problem and was...