OBD-II code · Powertrain (generic, extended)
P24B7 Particulate Matter Sensor Heater Resistance
The resistance of the PM sensor heater is outside the calibrated band.
Is it safe to drive with P24B7?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyHeater element aged
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–3 h
- Emissions test
- Likely to fail
- Parts involved
- Particulate Matter Sensor Heater
Related codes
- P24B4Particulate Matter Sensor Heater Control Circuit Range or Performance
- P24B5Particulate Matter Sensor Heater Control Circuit Low
- P24B6Particulate Matter Sensor Heater Control Circuit High
- P24B8EVAP System Leak Detection Pump Pressure Sensor Circuit
- P24B9EVAP System Leak Detection Pump Pressure Sensor Circuit Range or Performance
- P24BAEVAP System Leak Detection Pump Pressure Sensor Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.