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 …

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. …

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 …

Sep 23, 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 …

Jul 16, 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 …

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 …

Description A Reductant System Malfunction Service Bay Test is required when the Service Emission System message or Service Exhaust System message is displayed on the driver information center …

Aug 9, 2017 · After suffering NOx sensor failures which set "Service Emission System" and "175 Miles Until Max Speed 65 mph" warnings, I replaced NOx sensors, drained and replaced DEF with GM …

Feb 23, 2022 · Have a 2016 HD Z71 2500. 137K miles. Very well taken care of, I’m only owner. Just got a message on my display that says “175 miles to max 65mph” Is my emission system going out? …

Sep 12, 2019 · On some 2010-2012 model year Chevrolet Express and GMC Savana vehicles and 2011-2012 model year Chevrolet Silverado HD and GMC Sierra HD vehicles that are equipped with …