DTC Charts

WARNING: This page is about a different car, the 2012 Ford Flex. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Network DTCs (U-codes) are often a result of intermittent concerns such as damaged wiring or low battery voltage occurrences. Additionally, vehicle repair procedures such as module reprogramming often set network DTCs. Replacing a module to resolve a network DTC is unlikely to resolve the concern. To prevent repeat network DTC concerns, inspect all network wiring, especially connectors. Test the vehicle battery condition, refer to BATTERY, MOUNTING AND CABLES .

NOTE: Some of these modules utilize a 5-character DTC followed by a 2-character failure-type code. The failure-type code provides information about specific fault conditions such as opens, or shorts to ground. Continuous memory DTCs have an additional 2-character DTC status code suffix to assist in determining DTC history.

COMMUNICATION NETWORK DTC CHART

DTC	Description	Source	Action
U0028:08	Vehicle Communication Bus A: Bus Signal/Message Failure	Restraints Control Module (RCM)	DTC U0028:08 is set when the RCM receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES for a list of all DTCs.
U0028:88	Vehicle Communication Bus A: Bus Off	RCM	DTC U0028:88 is set when the RCM receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES for a list of all DTCs.
U0073	Control Module Communication Bus A Off	ABS module	The module could not communicate on the network at a point in time. The fault is currently not present since the module is currently communicating with the scan tool reporting this DTC. CLEAR the DTC. REPEAT the network test with the scan tool.
U0401	Invalid Data Received from ECM/PCM A	4X4 control module	RETRIEVE and FOLLOW non-network DTCs from the PCM.
U0415	Invalid Data Received from Anti-Lock Brake System (ABS) Control Module	4X4 control module	RETRIEVE and FOLLOW non-network DTCs from the ABS module.
U0422:00	Invalid Data Received From Body Control Module: No Sub Type Information	Accessory Protocol Interface Module (APIM)	RETRIEVE and FOLLOW non-network DTCs from the Smart Junction Box (SJB).
U0423:00	Invalid Data Received From Instrument Panel Cluster (IPC) Control Module: No Sub Type Information	APIM	RETRIEVE and FOLLOW non-network DTCs from the Instrument Cluster (IC).
U0485:00	Invalid Data Received From Radio: No Sub Type Information	APIM	RETRIEVE and FOLLOW non-network DTCs from the Audio Front Control Module (ACM).
U2023	Fault Received From External Node	IC	DTC U2023 is set when the IC receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES for a list of all DTCs.
U2023	Fault Received From External Node	ABS module	DTC U2023 is set when the RCM receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES for a list of all DTCs.
U3000:88	Control Module: Bus Off	APIM	The module could not communicate on the network at a point in time. The fault is currently not present since the module is currently communicating with the scan tool reporting this DTC. CLEAR the DTC. REPEAT the network test with the scan tool.
All other DTCs			REFER to MULTIFUNCTION ELECTRONIC MODULES .