P24AE
Particulate Matter Sensor Circuit
A general circuit fault on the particulate matter (PM) sensor - measures soot in the exhaust downstream of the DPF to verify regeneration.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Open in sensor or wiringCommon
Parts involved
- Particulate Matter Sensor
P24AE is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.