Troubleshooting U1026 Duramax Error Code [4 Easy Fixes]
What does U1026 Duramax mean? It means that there is a loss of communication with the Transfer Case Shift Control Module. You can see this code appearing for many reasons. So, what are these reasons? They can be a dirty wiring harness, battery issue, a defective Transfer Case Shift Control Module, etc. To know these reasons…