Rlewis2288
Junior Member
- Joined
- Jul 4, 2021
- Posts
- 5
- Reaction score
- 0
- Location
- Indiana
- Ram Year
- 2007 Dodge Ram 1500
- Engine
- 5.7 Hemi
Hello new to the forum. So I was changing the lights on the back of my gauge cluster and afterwards I have a CEL. The code showing up is U0021 nothing I seem to look up is really explaining what it is. Can someone help me please or point me in the right direction. It's a 2007 Dodge Ram 1500 4x4