Originally Posted by
onehundred80
Powertrain control module. Coils are connected to it.
Originally Posted by
sk8erjosh09
That is a possibility actually. If the tuner removes the flash EEprom to burn the software in, they may not have soldered it back correctly. That's a lot of little legs lol, and everyone makes mistakes. They could have burnt a pull down resistor in line for the coil's drivers too.
Gotcha. As far as I'm aware, the PCM has never been removed. All tunes have been the flash variety...
I'll have them check the PCM.