P249C
Excessive Time To Enter Closed Loop Reductant Injection Control
P249C is an OBD-II diagnostic trouble code meaning: Excessive Time To Enter Closed Loop Reductant Injection Control. Common causes: poor quality or freezing of adblue reagent, reagent injection nozzle malfunction. Estimated repair cost: $17–111.
Symptoms
- Increased reagent consumption (AdBlue)
- Check Engine Light Is On
- Reduced engine power
- Increased NOx emissions
- SCR error message on dashboard
Causes
- Poor quality or freezing of AdBlue reagent
- Reagent injection nozzle malfunction
- Problems with NOx sensors
- Clogged SCR catalytic converter
- SCR control unit malfunction
How to Fix
- Check the level and quality of AdBlue reagent
- Diagnose the reagent injection nozzle
- Check the functionality of NOx sensors
- Clean or replace SCR catalytic converter
- Check the SCR control unit for errors
Related codes
Error P249C by Vehicle Brand
FAQ
What does the P249C code mean?
P249C is an OBD-II diagnostic trouble code that indicates: Excessive Time To Enter Closed Loop Reductant Injection Control
What causes a P249C error code?
The most common causes of P249C include: Poor quality or freezing of AdBlue reagent; Reagent injection nozzle malfunction; Problems with NOx sensors; Clogged SCR catalytic converter.
How do I fix a P249C diagnostic trouble code?
To fix P249C: Check the level and quality of AdBlue reagent. Diagnose the reagent injection nozzle. Check the functionality of NOx sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P249C?
Yes, but get it checked soon
How much does it cost to fix P249C?
The estimated repair cost for P249C is $17–111. Actual cost depends on your vehicle, location, and labor rates.
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