garajizOBD-II code · generic
U0101
Lost Communication with TCM
- System
- U — In-vehicle network
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does U0101 mean?
U0101 is defined as “Lost Communication with TCM”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Kia: Lost Communication With Transmission Control Module
Related codes
- U0100Lost Communication With ECM/PCM A
- U0102Lost Communication with Transfer Case Control Module
- U0103Lost Communication With Gear Shift Module
- U0104Lost Communication With Cruise Control Module
- U0105Lost Communication With Fuel Injector Control Module
- U0106Lost Communication With Glow Plug Control Module
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.