Multi-code OBD2 diagnosis
Enter all the codes your scanner showed, not just the first one. We give you the overall severity, whether you can keep driving, the order in which to check them and how they relate to each other.
Summary
- Overall severity
- Medium
- Can I keep driving?
- Yes, no immediate risk
- Estimated cost
- $0 to $1,500
- Codes analyzed
- 1 of 1
The order below is the recommended one: first the codes that can cause the others. After each repair, clear the codes and check which ones come back.
Order of inspection
U0102 Lost Communication with Transfer Case Control Module Medium
The U0102 code means other modules in the vehicle stopped receiving messages from the transfer case control module. The usual effect is that four wheel drive does not engage or does not disengage. You can generally keep driving, but the functions of that module may not be available.