P24B3
Particulate Matter Sensor Heater Control Circuit/Open
P24B3 is an OBD-II diagnostic trouble code meaning: Particulate Matter Sensor Heater Control Circuit/Open. Common causes: broken heater circuit wires, sensor heating element defective. Estimated repair cost: $50–167.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Deterioration in acceleration dynamics
- Increased fuel consumption
- Possible problems when passing technical inspection
Causes
- Broken heater circuit wires
- Sensor heating element defective
- Faulty relay or fuse
- Problems with the engine control unit (ECU)
- Corrosion of contacts or connectors
How to Fix
- Check the integrity of the heater circuit fuse
- Inspect the wiring harness for damage
- Check the resistance of the heating element
- Diagnose the operation of the control unit
- If necessary, replace the soot sensor
Related codes
Error P24B3 by Vehicle Brand
FAQ
What does the P24B3 code mean?
P24B3 is an OBD-II diagnostic trouble code that indicates: Particulate Matter Sensor Heater Control Circuit/Open
What causes a P24B3 error code?
The most common causes of P24B3 include: Broken heater circuit wires; Sensor heating element defective; Faulty relay or fuse; Problems with the engine control unit (ECU).
How do I fix a P24B3 diagnostic trouble code?
To fix P24B3: Check the integrity of the heater circuit fuse. Inspect the wiring harness for damage. Check the resistance of the heating element. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P24B3?
Yes, but get it checked soon
How much does it cost to fix P24B3?
The estimated repair cost for P24B3 is $50–167. Actual cost depends on your vehicle, location, and labor rates.
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