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.
2019 Ford Transit-250 Base, 2D Cab Chassis, 3.2L Eng VIN VFACTORY OEM SERVICE PROCEDURE
DTC U030F - Software Incompatibility With Reductant Control Module
DTC DESCRIPTION U030F - SOFTWARE INCOMPATIBILITY WITH REDUCTANT CONTROL MODULE
| Description: | This DTC sets when the PCM receives invalid data from the Reductant Dosage Control Module (RDCM). | ||
| Possible Causes: |
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| Diagnostic Aids: | Verify the NOx11 module is at the latest calibration level. The presence of this DTC may indicate the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument panel cluster (IPC) message center. |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST AE . | ||
Factory Service Tools
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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.
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