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 wrote:
A TSB is only a road map for the dealer or shop to diagnose and fix a common issue. They are not free unless you are under warranty (they are not the same thing).
On a reflash if you bought your vehicle from the dealership shouldn't they do it for you, even if the vehicle is out of warranty? I know my dealer does, even if you didn't buy it from him.
A reflash does not take any time to do most are under 10 minutes and all they do is plug the unit in via the ODDII port set it up and wait for it to complete the upload. They are not changing parts or anything. The service write up person should even be able to do it.
Don
