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.
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HOMESERVICE MANUALSFORD2021TRANSIT-350 XL, 3.5L ENG VIN G, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 52 (MODULE COMMUNICATIONS NETWORK)DIAGNOSIS AND TESTINGCOMMUNICATIONS NETWORKDTC CHART: GATEWAY MODULE (GWM)
2021 Ford Transit-350 XL, 3.5L Eng VIN G, RWD
DTC Chart: Gateway Module (GWM)
2021 Ford Transit-350 XL, 3.5L Eng VIN G, RWDSECTION DTC Chart: Gateway Module (GWM)
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. 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 .
| DTC | Description | Action |
|---|---|---|
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | CHECK the vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or incorrect Programmable Module Installation (PMI) procedures. If there have been recent service actions with this module, REPEAT the Programmable Module Installation (PMI) procedure as directed by the diagnostic scan tool. If there have been no recent service actions, INSTALL a new GWM. Refer to: Gateway Module A (GWM) . |
| U3000:44 | RAM Error During Normal Operation: Data Memory Failure | RETRIEVE all Continuous Memory Diagnostic Trouble Codes (CMDTCs). If DTC U3000:44 is retrieved, INSTALL a new GWM. Refer to: Gateway Module A (GWM) . If DTC U3000:44 is not retrieved, the module is operating correctly at this time. The concern may have been caused by an intermittent concern. |
| U3000:45 | RAM Error During Normal Operation: Program Memory Failure | RETRIEVE all Continuous Memory Diagnostic Trouble Codes (CMDTCs). If DTC U3000:45 is retrieved, INSTALL a new GWM. Refer to: Gateway Module A (GWM) . If DTC U3000:45 is not retrieved, the module is operating correctly at this time. The concern may have been caused by an intermittent concern. |
| U3000:49 | RAM Error During Normal Operation: Internal Electronic Failure | RETRIEVE all Continuous Memory Diagnostic Trouble Codes (CMDTCs). If DTC U3000:49 is retrieved, INSTALL a new GWM. Refer to: Gateway Module A (GWM) . If DTC U3000:49 is not retrieved, the module is operating correctly at this time. The concern may have been caused by an intermittent concern. |
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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.