Dtc u2023 mercury. Repair Information for U2023 Mercury code. Learn what Fault Received From External Node means, location and how to repair. 1:48 Insight into RETRIEVE and FOLLOW non-network DTCs from other modules. U2023: Fault received from external node. net The video focuses on the basic Mercury specific diagnostic error code. This typically means that there is a communication error between different modules or systems within the vehicle. DTC U2023, sometimes indicated as U202300, is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle network communication. The U2023 diagnostic trouble code for Mercury vehicles indicates a fault received from an external node. Contents:0:21 Basic DTC analysis according to OBD2 protocol standard. See full list on troublecodes. DTC U2023 is set in the ABS module when one of the following conditions are present: The ABS module received invalid network data from another module with a faulted input. ebbxc imhozw xlukqi iepu jzlg jrqm zspcqt fnztylwb iwhpnk bddf