Pinpoint Test Bi : DTC U0424:82: Notes
Pinpoint Test BI: DTC U0424:82
Diagnostic Overview
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.
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 the IPC if data messages received from the HVAC module through the BCM over the HS-CAN are not updated for 5 seconds or more. |
Possible Sources
- Communication concern
- Battery voltage concern
- HVAC module
- IPC