OBD-II code · Powertrain (generic, extended)
P246C Particulate Filter Restriction Forced Limited Power Bank 1
Particulate Filter Restriction Forced Limited Power Bank 1: the control module has detected this fault condition.
Is it safe to drive with P246C?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyDPF heavily clogged
Symptoms
- Check engine light or DPF warning light on
- Power loss / limp mode
- Increased fuel consumption
- Failed forced regeneration attempts
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–8 h
- Emissions test
- Likely to fail
- Parts involved
- Dpf B1
Related codes
- P243BParticulate Filter Restriction Forced Limited Power Bank 2
- P2469Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 3
- P246AExhaust Gas Temperature Sensor Circuit Intermittent or Erratic Bank 2 Sensor 3
- P246BVehicle Conditions Incorrect for Particulate Filter Regeneration
- P246DParticulate Filter Pressure Sensor A and B Correlation
- P246EExhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4
- P246FReductant System Cold Start Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.