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no exhaust break

  1. Colorado Diesel General Discussions
    Hello, I am looking to see if anyone else has had this problem or know what is going on -- I have a 2018 with 38000 miles on it. 2000 miles ago and about 30ish days, my check engine light came on while I was on a trip with my trailer. I also noticed neither my exhaust brake or downhill speed...
  2. Colorado Diesel General Discussions
    Hello, I have a 2018 with 38000 miles. 2000 miles ago, my check engine light came on while I was on a trip. I noticed that not only did I have the check engine light, but my exhaust brake and my downhill speed control did not work ( I had my trailer with me). I dropped my trailer off and was...
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