Apr 23, 2014 · Hi I am new to this forum wondering if someone out there might be able to help. Have a 2012 silverado 2500 LML diesel which is giving me the service vehicle emission system message. …

May 21, 2012 · OK. I traded my 11, which never gave me trouble, for a 12. So far TWICE in the first 1500 miles, it has popped the SES light, with a message in the DIC that says "service emissions …

Jul 15, 2018 · When I went to shut it off the DIC had the message "Service Emission System Now, See owners manual, 175 miles until 65 mph max speed." I did have the air intake tube off while I checked …

Sep 24, 2017 · Defects and performance for car and light-duty truck emission control systems are covered for the first 2 years or 24,000 miles, whichever comes first. From the first 2 years or 24,000 …

Jan 3, 2019 · If not within the specified range, replace the emission reduction fluid tank. 3. Compare the scan tool Ambient Air Temperature to the Reductant Temperature. The readings should be within …

Jan 22, 2018 · Got this message Friday on my 2015 GMC. Check engine light and service emission system came on. Dealer doesn't know what it means either? Truck has 66,000 miles on it so I would …

Jun 13, 2017 · Emission issues w/L5P 1 reading Jump to Latest 85K views 92 replies 28 participants last post by dz302 Sep 16, 2017

Dec 27, 2015 · I have read a lot of posts now related to the emission issues and almost all posts limit the troubles with the 2011-2012 trucks. Well mine is a 2013 and is having the same troubles.

Jul 17, 2016 · Hello all. I have a, what I consider, an interesting problem. A 2012 GMC 2500HD with a LML (160,000KM on engine). I had just recently replaced the coolant o-ring in the flywheel housing …

Aug 15, 2004 · I have a 2004.5 2500hd chevy i look under the hood and i don't see any where that tells me if it has CA emissions or federal or northeast. Is there actually a northeast standard for diesels.I …