Powertrain
generic / SAE
P246C
Particulate Filter Restriction Forced Limited Power Bank 1
DPF backpressure on bank 2 is so high that the ECU enforces limp-home power limitation to protect the engine. Regeneration must be performed (or the DPF cleaned) to clear the limit.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / 6C
Possible causes
- DPF heavily clogged high
Symptoms
- Check engine light or DPF warning light on
- Power loss / limp mode
- Increased fuel consumption
- Failed forced regeneration attempts
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–3500 €
- Estimated time: 1–8 h
- Component: dpf b1
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012