Pinpoint Test Cg : U0424:82 Or U0557:00: Notes
Normal Operation and Fault Conditions
IPC DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0424:82 | Invalid Data Received From HVAC Control Module: Alive/Sequence Counter Incorrect/Not Updated | Sets in continuous memory in the IPC if updated outside air temperature data received from the FCIM through the GWM is missing for 5 seconds or longer. |
| U0557:00 | Invalid Data Received From Front Controls Interface Module "A" No Sub Type Information | Sets in continuous memory in the IPC if outside air temperature data is invalid from the FCIM through the GWM is missing for 5 seconds or longer. |
Possible Sources
- Communication concern
- GWM concern
- FCIM
- IPC concern