This is a harness to prevent the bothersome check engine light and DTC P0073 on GM trucks after installing aftermarket tow mirrors. This listing comes with a jumper lead and an OEM GM ambient air sensor harness. This harness is compatible with all GM trucks 2015+.
Simply slide the pins into the passenger side connector in the correct location and turn the check engine light off!
FREE INSTALLATION VIDEO!
worked as advertised!
Fast shipping, easy to install and worked like a charm!
It is as described on the website and the video on how to install is spot on. No more check engine light
Super simple with the instructional video and worked perfectly!
What I didn't realize when I purchased my aftermarket Trailer Mirrors was that they would have required for them to have the K-40 option, since my truck is a Diesel. My Service Engine light was on all the time, and I was fortunate to discover that Boost Auto Parts had the adaptor that I would need in order to fix this issue and still keep all of my mirror options working. I am so grateful for having found this here! Thank You!!!