Pinpoint Test B : DTC (Diagnostic Trouble Code) U0101:87: Notes
Normal Operation and Fault Conditions
The BCM communicates with the PCM over the HS-CAN1. REFER to: Communications Network - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0101:87 | Lost Communication with TCM: Missing Message | A continuous memory DTC that sets in the BCM if transmission data messages received from the PCM over the HS-CAN1 are missing. |
Possible Sources
- BCM
- PCM