P1909
Read the instructions below then start the fault diagnostic procedure.
Symptom:
P1909 |
Exhaust Particle Filter is Blocked
On-Board Diagnostics
Fault criteria:
- |
The control module identifies a malfunction via internal evaluation logic in the following components:
Pressure sensor, exhaust system |
Diagnostic help
If the car is only driven short distances, automatic regeneration cannot be carried out, thus generating the diagnostic trouble code.For more information, see also:
- "Read Values" menu for a description of read values.
- "Activate" menu for a description of applications.