P2D45
Reductant Temperature Too Low
P2D45 is an OBD-II diagnostic trouble code meaning: Reductant Temperature Too Low. Common causes: reagent heating element malfunction, open or short circuit in the heating circuit. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- SCR error message on dashboard
- Increased NOx emissions
Causes
- Reagent heating element malfunction
- Open or short circuit in the heating circuit
- Low ambient temperature
- Reagent temperature sensor malfunction
- Problems with the SCR control unit
How to Fix
- Check the level and quality of AdBlue reagent
- Diagnose the reagent heating circuit
- Check the operation of the heating element
- Test the reagent temperature sensor
- Update SCR control unit software
Related codes
Error P2D45 by Vehicle Brand
FAQ
What does the P2D45 code mean?
P2D45 is an OBD-II diagnostic trouble code that indicates: Reductant Temperature Too Low
What causes a P2D45 error code?
The most common causes of P2D45 include: Reagent heating element malfunction; Open or short circuit in the heating circuit; Low ambient temperature; Reagent temperature sensor malfunction.
How do I fix a P2D45 diagnostic trouble code?
To fix P2D45: Check the level and quality of AdBlue reagent. Diagnose the reagent heating circuit. Check the operation of the heating element. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2D45?
Yes, but get it checked soon
How much does it cost to fix P2D45?
The estimated repair cost for P2D45 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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