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 MANUALSFORD2022TRANSIT CONNECT TITANIUM, GASREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 12 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (DIESEL))DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONSDTC P249D - CLOSED LOOP REDUCTANT INJECTION CONTROL AT LIMIT - FLOW TOO LOW
2022 Ford Transit Connect Titanium, Gas
DTC P249D - Closed Loop REDUCTANT Injection Control At Limit - Flow Too Low
2022 Ford Transit Connect Titanium, GasSECTION DTC P249D - Closed Loop REDUCTANT Injection Control At Limit - Flow Too Low
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Ford Transit-350 HD, 2018 Ford Transit-350, 2018 Ford Transit-250, 2018 Ford Transit-150, and 2018 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
P249D - CLOSED LOOP REDUCTANT INJECTION CONTROL AT LIMIT - FLOW TOO LOW
| Description: | The PCM adapts a closed loop correction factor to account for long term drift of the selective catalytic reduction (SCR) system. This correction factor is monitored continuously. This DTC sets when the correction factor reaches a negative threshold for 5 minutes. | ||
| Possible Causes: |
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| Diagnostic Aids: | This DTC is informational only and may be accompanied by other DTCs. Diagnose other DTCs first. If DTC P229F is present along with DTC P249D, diagnose DTC P229F first. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RK . | ||
RENDER: 1.0x
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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.