OBD-II code · Powertrain (generic, extended)
P243F Particulate Filter Restriction Soot Accumulation Too High Bank 2
Particulate Filter Restriction Soot Accumulation Too High Bank 2: the control module has detected this fault condition.
Is it safe to drive with P243F?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelySoot loading critical
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 B2
Related codes
- P24A4Particulate Filter Restriction Soot Accumulation Too High Bank 1
- P243CParticulate Filter Regeneration Frequency Bank 2
- P243DParticulate Filter Regeneration Duration Bank 2
- P243EParticulate Filter Regeneration Incomplete Bank 2
- P2440Secondary Air Injection System Switching Valve Stuck Open (Bank 1)
- P2441Secondary Air Injection System Switching Valve Stuck Closed (Bank 1)
- P2442Secondary Air Injection System Switching Valve Stuck Open (Bank 2)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.