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Diagnostic Trouble Code (DTC) Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Module DTC Description Action
APIM U2400:81 Ethernet Failure With Gateway Module A (GWM): Invalid Serial Data Received GO to Pinpoint Test A 
APIM U2400:92 Ethernet Failure With Gateway Module A (GWM): Performance Or Incorrect Operation GO to Pinpoint Test A 
GWM U2401:00 Ethernet Failure With Accessory Protocol Interface Module (APIM): No Sub Type Information GO to Pinpoint Test B 
GWM U2401:81 Ethernet Failure With Accessory Protocol Interface Module (APIM): Invalid Serial Data Received GO to Pinpoint Test A 
GWM U2401:92 Ethernet Failure With Accessory Protocol Interface Module (APIM): Performance Or Incorrect Operation GO to Pinpoint Test A 
GWM U2402:00 Ethernet Failure With Telematic Control Unit Module (TCU): No Sub Type Information GO to Pinpoint Test B 
GWM U2402:81 Ethernet Failure With Telematic Control Unit Module (TCU): Invalid Serial Data Received GO to Pinpoint Test A 
GWM U2402:92 Ethernet Failure With Telematic Control Unit Module (TCU): Performance Or Incorrect Operation GO to Pinpoint Test A