Engine codes P20EE and P249D will not clear in my 2015 Silverado 2500HD
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Engine codes P20EE and P249D will not clear in my 2015 Silverado 2500HD
I've replaced the downstream NOx sensor, but the codes will not clear and now I'm in limp mode at 65mph. I'm in Mexico (mazatlan) and the only dealer doesn't work on diesels. Help please.
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jumpinfarmer
Chevy Silverado/ GMC Sierra Forum
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Nov 8, 2008 09:11 PM