P248D
Reductant Heater B Sense Circuit High
P248D is an OBD-II diagnostic trouble code meaning: Reductant Heater B Sense Circuit High. Common causes: open circuit in the heater sensor circuit, short circuit to ground. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Possible reduction in engine power
- Deterioration of environmental indicators
- SCR system error message on instrument panel
- Increased AdBlue urea consumption
Causes
- Open circuit in the heater sensor circuit
- Short circuit to ground
- Heater temperature sensor malfunction
- Problems with wiring or connectors
- Reagent heater module failure
How to Fix
- Check the continuity of the heater sensor circuit
- Inspect connectors and wiring for damage
- Check the resistance of the heater sensor
- If necessary, replace the sensor or heater module
- Reset the error code and check for its reappearance
Related codes
Error P248D by Vehicle Brand
FAQ
What does the P248D code mean?
P248D is an OBD-II diagnostic trouble code that indicates: Reductant Heater B Sense Circuit High
What causes a P248D error code?
The most common causes of P248D include: Open circuit in the heater sensor circuit; Short circuit to ground; Heater temperature sensor malfunction; Problems with wiring or connectors.
How do I fix a P248D diagnostic trouble code?
To fix P248D: Check the continuity of the heater sensor circuit. Inspect connectors and wiring for damage. Check the resistance of the heater sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P248D?
Yes, but get it checked soon
How much does it cost to fix P248D?
The estimated repair cost for P248D is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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