Codes › GENERIC › DTC-OBD2 › U0101
GENERIC • DTC-OBD2 • U0101 Category: CommunicationLost Communication With Transmission Control Module
Communication lost with TCM.
This code indicates the network has lost communication with the transmission control module. Shifting behavior may be affected or disabled. Causes include CAN wiring issues or module faults.
Related DTC-OBD2 codes
- DTC-OBD2 U0300 — Internal Control Module Software Incompatibility
- DTC-OBD2 U0293 — Lost Communication With Hybrid Control Module
- DTC-OBD2 U0122 — Lost Communication With Vehicle Dynamics Control Module
- DTC-OBD2 U0102 — Lost Communication With Transfer Case Control Module
- DTC-OBD2 U0415 — Invalid Data Received From ABS Control Module
- DTC-OBD2 U0151 — Lost Communication With Restraints Control Module
Frequently Asked Questions
What does DTC-OBD2 code U0101 mean?
DTC-OBD2 code U0101 is a factory equipment code used by GENERIC to describe a specific vehicle configuration or component.
Where can I find DTC-OBD2 code U0101 on my car?
This code is typically found in the vehicle’s factory build data, service documentation, or can be confirmed by decoding the VIN.
Does DTC-OBD2 code U0101 affect maintenance or parts?
Yes. Factory codes determine correct parts selection, software compatibility, and service procedures for your exact vehicle configuration.
How can I verify DTC-OBD2 code U0101 for my vehicle?
The most reliable way is to order a complete Vehicle Data Sheet decoded directly from your vehicle’s VIN.