It's easier to buy VOL-FCR and to read codes from tcm. Like i said....they won't go by themselves if not read and cleared unlike to ecu or abs unit. Misha, you were spot on. I sent my TCM to G7 computers in New York for them to look at it. They said that their is no hardware issue...only software. ...

Update. Surely enough, it was the corroded connectors for the knock sensors. CEL is gone. Also, while I had the manifold off, I cleaned up all the other connecters... including starter wires.Since the PCV was changed 7 years ago, I changed that also and will probably never have to worry about that a...