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U0306 code after Hypertech install
Hi there, I have an 06 6.0l and just installed the hypertech max energy. I am very impressed with the power difference right out of the box. No engine lights have come on and I do not drive the thing like a mustang, just want the power and ummm economy, if it is even possible.
I pulled the code u0306 off the tuner and it reads as: incompatible software with FICM. I updated the tuner and reinstalled the program and have the same code. I have read that this is common and not to worry, but like many of you I worry when you start playing with expensive toys. Any techs out there know the real story behind this and if it is just a byproduct of the tuner and not to worry?