Is a reflash of the ECM necessary
I have gotten a Check engine light a couple of times, and then soon after it goes off. I hae a mechanic pull the codes and it is saying that Back 1 and 2 O2 sensors are staring to fail. He suggested...
Forum Discussion
Mich800 yep I agree if you're not having an issue then you don't need the reflash. You also would not be asking for it if you were not experiencing an issue either.
My truck was flashed for the latest updates, one for the trans and the other for the powertrain (high DEf usage).
BTW the topic was "Is a reflash of the ECM necessary" and the OP was asking because it was going to cost him, OP corect me if I'm wrong.
Don
My truck was flashed for the latest updates, one for the trans and the other for the powertrain (high DEf usage).
BTW the topic was "Is a reflash of the ECM necessary" and the OP was asking because it was going to cost him, OP corect me if I'm wrong.
Don
