The control module judged the Particulate Matter Sensor Heater Control signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
TuningBot DTC Database · v4.37.15
P24B4 Particulate Matter Sensor Heater Control Circuit Range/Performance
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P24B4 means
Related and nearby codes
How to read P24B4
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P24B4
What does P24B4 mean?
Particulate Matter Sensor Heater Control Circuit Range/Performance. The control module judged the Particulate Matter Sensor Heater Control signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
Is P24B4 generic or manufacturer-specific?
P24B4 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P24B4 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: DPF System
