Pinpoint Test B : DTC (Diagnostic Trouble Code) U0101:00: Notes
DTC U0101:00
Normal Operation and Fault Conditions
The BCM communicates with the TCM over the HS-CAN. REFER to: Communications Network - System Operation and Component Description
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0101:00 | Lost Communication with TCM: No Sub Type Information | A continuous memory DTC that sets in the BCM if transmission data messages received from the TCM over the HS-CAN are missing. |
Possible Sources
- Communication network concern
- Battery voltage concern
- TCM
- BCM