Wikipedia: Diagnostic Trouble Code (DTC)
All following DTCs are Subaru specific, applicable to closed-type DPF Boxer Diesel models only, Euro 4, 5, 6 emission standards.
Some of these DPF related DTCs trigger DPF light flashing.
|P1465||DPF Particulate Overfill|
|P1466||DPF Substrate Damaged||(E4: never gets set?)|
|P1467, P242F||DPF Ash Overfill||≥ 100 %|
|P1468||Oil Dilution||≥ 10 % ; also see Distance to Oil Change|
|P1469, P246C||DPF Limp-Home Mode||Reduces injection quantity and power.|
|P1471||DPF Pressure Difference Sensor Upstream Piping Trouble||(E4: never gets set?)|
|P1472, P2454||DPF Pressure Difference Sensor (Low)|
|P1473, P2455||DPF Pressure Difference Sensor (High)|
|P147B||Catalytic Converter and DPF|
|P2453||Particulate Filter Pressure Sensor “A” Circuit Range/Performance|
Related ROM code has not been analyzed completely yet, no guarantees as usual. It is definitely much more sophisticated compared to Subaru petrol ROMs.
- 2016-10 Added DPF related Euro 6 DTCs.