OBD-II code · Powertrain (generic, extended)
P24A3 Particulate Filter Restriction Soot Accumulation Bank 2
The DPF on bank 2 has accumulated soot beyond the normal operating window. Active regeneration will be requested.
Is it safe to drive with P24A3?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySoot loading high
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
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–3 h
- Emissions test
- Likely to fail
- Parts involved
- Dpf B2
Related codes
- P24A0Closed Loop Particulate Filter Regeneration Control At Limit Temperature Too Low
- P24A1Closed Loop Particulate Filter Regeneration Control At Limit Temperature Too High
- P24A2Particulate Filter Regeneration Incomplete Bank 1
- P24A4Particulate Filter Restriction Soot Accumulation Too High Bank 1
- P24A5EGR Cooler Bypass Control Stuck Open Bank 1
- P24A6EGR Cooler Bypass Control Stuck Open Bank 2
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.