2007 dodge 6.7 cummins dually . Removed Regen mufflers and installed delete pipe and programmer. Runs great, has 160,000 miles now. After about 50,000 miles with delete pipe,get maintenance required, see dealer now
message on overhead screen. Put on 2 shop computers can find no errors or codes. Anybody heard something about this.
Have not taken to dealer to look at.