OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P24AE?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen in sensor or wiring
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
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.