Hello,
I am running the M3M DRD tuner and I am wondering if there is a way to check emissions codes with it first off and second I keep having an SD card error 20002 when I try to go to the program button on the screen.
I’m not sure if this SD card is bad or just needs updates?
I am the second hand owner of this truck with this tuner.
The original owner was Andrew Larson.
Not sure if that would help.
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