Question

What is code U0001 on a 2013 Dodge RAM 2500 6.7L Cummins? I also have the P20EE and P207F codes. What are these codes and how do I fix them?

Answer 1

U0001 Loss communication code

P207F Reductant quality performance

P20EE SCR (selective catalytic reduction)  catalyst efficiency below threshold

Check the DEF tank maybe empty and perform a regeneration

Answer 2

P20EE Dodge Code - SCR NOx Catalyst Efficiency Below Threshold Bank 1
Read more: https://www.autocodes.com/p20ee_dodge.html

P207F Dodge Code - Reductant Quality Performance
Read more: https://www.autocodes.com/p207f_dodge.html

U0001 Dodge Code - CAN Communication Bus Circuit
Read more: https://www.autocodes.com/u0001_dodge.html