Pinpoint Test BB : U0401:82: Notes
Normal Operation and Fault Conditions
IPC DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0401:82 | Invalid Data Received from ECM/PCM A: Alive/Sequence Counter Incorrect/Not Updated | Sets in continuous memory in the IPC if PCM data messages received from the BCM over the are missing for 5 seconds or longer. |
Possible Sources
- Communication concern
- BCM concern
- PCM
- IPC concern