No you cannot. The engine will not run without the icm. Your best option is to replace it if you are having trouble with it. Rockauto.com has better prices than most of the other auto parts stores.
If you need further help, reach me via phone at https://www.6ya.com/expert/steven_a67ead41eb5fc62a
Not really if having problems with the ignition control module check that key is not worn down as to not being read correctly the following link also shows a common problem with the icm connections Ignition Fix EASY GMC Sierra or Chevy Silverado
Answers & Comments
No you cannot. The engine will not run without the icm. Your best option is to replace it if you are having trouble with it. Rockauto.com has better prices than most of the other auto parts stores.
If you need further help, reach me via phone at https://www.6ya.com/expert/steven_a67ead41eb5fc62a
Not really if having problems with the ignition control module check that key is not worn down as to not being read correctly the following link also shows a common problem with the icm connections
Ignition Fix EASY GMC Sierra or Chevy Silverado