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Home >> Ford >> 2023 >> E-Transit Cutaway >> Repair and Diagnosis >> External Pages >> Different car >> Section 365 (ETHERNET Module Communications Network - Vehicles With: Sync 4) >> Diagnosis And Testing >> Ethernet Module Communications Network >> Diagnostic Trouble Code (DTC) Chart
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Diagnostic Trouble Code (DTC) Chart

WARNING: This page is about a different car, the 2022 Ford Transit-350 HD, 2022 Ford Transit-350, 2022 Ford Transit-250, 2022 Ford Transit-150, and 2022 Ford E-Transit. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostics in the appropriate service information 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