P248C
Reductant Heater B Sense Circuit Low
P248C is an OBD-II diagnostic trouble code meaning: Reductant Heater B Sense Circuit Low. Common causes: open or short circuit in the heater circuit, reagent heater sensor malfunction. Estimated repair cost: $39–167.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Possible SCR error messages
- Increased NOx emissions
Causes
- Open or short circuit in the heater circuit
- Reagent heater sensor malfunction
- Problems with the SCR control module
- Poor contacts or corrosion in connectors
- Malfunction of the heating element itself
How to Fix
- Check the integrity of the heater circuit
- Check the resistance of the heating element
- Inspect connectors and wiring harness for damage
- Check the voltage at the heater connectors
- If necessary, replace the heating element or sensor
Related codes
Error P248C by Vehicle Brand
FAQ
What does the P248C code mean?
P248C is an OBD-II diagnostic trouble code that indicates: Reductant Heater B Sense Circuit Low
What causes a P248C error code?
The most common causes of P248C include: Open or short circuit in the heater circuit; Reagent heater sensor malfunction; Problems with the SCR control module; Poor contacts or corrosion in connectors.
How do I fix a P248C diagnostic trouble code?
To fix P248C: Check the integrity of the heater circuit. Check the resistance of the heating element. Inspect connectors and wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P248C?
Yes, but get it checked soon
How much does it cost to fix P248C?
The estimated repair cost for P248C is $39–167. Actual cost depends on your vehicle, location, and labor rates.
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