Pinpoint Test H : U0184:87: Notes
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Wiring Diagram Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The BCM communicates with the ACM through the GWM. REFER to: Communications Network - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0184:87 | Lost Communication With Radio: Missing Message | A continuous memory DTC that sets in the BCM if messages received from the ACM are missing. |
Possible Sources
- Communication network concern
- Battery voltage concern
- GWM concern
- ACM
- BCM