What does code P24DA mean?

Q: What does code P24DA mean?

Particulate Matter Sensor Exhaust Sample Error Bank 1. P24DA indicates that the particulate matter (PM) sensor, which monitors soot levels in the exhaust, has reported an invalid or implausible sample to the engine control module. The computer detects this when the sensor's signal falls outside expected ranges or fails self-diagnostic checks, often due to contamination, wiring issues, or sensor degradation.

DTC codes / P24xx · Auxiliary emission controls / P24DA

P24DAParticulate Matter Sensor Exhaust Sample Error Bank 1

P24DA indicates that the particulate matter (PM) sensor, which monitors soot levels in the exhaust, has reported an invalid or implausible sample to the engine control module. The computer detects this when the sensor's signal falls outside expected ranges or fails self-diagnostic checks, often due to contamination, wiring issues, or sensor degradation.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaAuxiliary emission controls

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.