P24B7
Particulate Matter Sensor Heater Resistance
P24B7 is an OBD-II diagnostic trouble code meaning: Particulate Matter Sensor Heater Resistance. Common causes: open or short circuit in the heater circuit, particulate filter sensor malfunction. Estimated repair cost: $33–167.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Problems with diesel particulate filter regeneration
- Increased fuel consumption
- Possible errors in the exhaust gas purification system
Causes
- Open or short circuit in the heater circuit
- Particulate filter sensor malfunction
- Problems with the relay or circuit fuse
- Corrosion of contacts or connectors
- Engine control unit malfunction
How to Fix
- Check the integrity of the wiring to the sensor
- Check fuses and heater relays
- Measure the resistance of the sensor heater
- Inspect connectors for corrosion
- If necessary, replace the diesel particulate filter sensor
Related codes
Error P24B7 by Vehicle Brand
FAQ
What does the P24B7 code mean?
P24B7 is an OBD-II diagnostic trouble code that indicates: Particulate Matter Sensor Heater Resistance
What causes a P24B7 error code?
The most common causes of P24B7 include: Open or short circuit in the heater circuit; Particulate filter sensor malfunction; Problems with the relay or circuit fuse; Corrosion of contacts or connectors.
How do I fix a P24B7 diagnostic trouble code?
To fix P24B7: Check the integrity of the wiring to the sensor. Check fuses and heater relays. Measure the resistance of the sensor heater. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P24B7?
Yes, but get it checked soon
How much does it cost to fix P24B7?
The estimated repair cost for P24B7 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat