Pinpoint Test BB : U0100:87: Notes
Normal Operation and Fault Conditions
ICM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0100:87 | Lost Communication With ECM/PCM "A" Module: Missing Message | Sets in continuous memory in the ICM if data messages received from the PCM through the HS-CAN are missing for 5 seconds or longer. |
Possible Sources
- Communication concern
- Battery voltage concern
- PCM
- IPC