Pinpoint Test BR: Abs Module Communication Concern With VDM
WARNING: This page is about a different car, the 2023 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
With the ignition ON, the VDM sends messages to the ABS module over the FD-CAN. If the ABS module does not receive these messages within the allotted time frame or if the messages contain invalid data, the module sets a DTC. This can be due to a VDM failure, a circuit failure on the network or an excessive load on the network. For information on the messages sent to the ABS module by the VDM, REFER to: Anti-Lock Brake System (ABS) and Stability Control - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Condition |
|---|---|---|
| ABS U0122:00 | Lost Communication With Vehicle Dynamics Control Module: No Sub Type Information | This DTC sets when the ABS module does not receive any messages from the VDM within the allowed time. |
Possible Sources
- Network communication concern
- VDM