Pinpoint Test M : DTC (Diagnostic Trouble Code) U0253:87: Notes
WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
The BCM communicates with the APIM over the High Speed Controller Area Network 1 (HS1-CAN). REFER to: Communications Network - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0253:87 | Lost Communication With Accessory Protocol Interface Module: Missing Message | A continuous memory DTC that sets in the BCM if messages received from the APIM are missing. |
Possible Sources
- Communication network concern
- Battery voltage concern
- APIM
- BCM