2011 Ford Flex SEFACTORY OEM SERVICE PROCEDURE

Communication Network

COMMUNICATION NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST

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 MODULE 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 MODULE 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 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 MODULE 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 MODULE 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 MODULE .
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