Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Trouble Code (DTC) Chart
2021 Ford Edge SE, 4WDSECTION Diagnostic Trouble Code (DTC) Chart
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
Diagnostic Trouble Code Chart
| Module | DTC | Description | Action |
|---|---|---|---|
| GWM | U2401:00 | Ethernet failure with Accessory Protocol Module (APIM): No Sub Type Information | GO to Pinpoint Test B |
| GWM | U2401:81 | Ethernet failure with Accessory Protocol Module (APIM): Invalid Serial Data Received | GO to Pinpoint Test A |
| GWM | U2401:92 | Ethernet failure with Accessory Protocol 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 |
| GWM | U2403:81 | Ethernet Failure with Instrument Panel Cluster Control Module (IPC): Invalid Serial Data Received | GO to Pinpoint Test A |
| GWM | U2403:92 | Ethernet Failure with Instrument Panel Cluster Control Module (IPC): Performance or Incorrect Operation | GO to Pinpoint Test A |
| GWM | U2404:81 | Ethernet Failure with Image Processing Module "A" (IPMA): Invalid Serial Data Received | GO to Pinpoint Test A |
| GWM | U2404:92 | Ethernet Failure with Image Processing Module "A" (IPMA): Performance or Incorrect Operation | GO to Pinpoint Test A |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.