OBD-II code · Powertrain (generic, extended)
P24A2 Particulate Filter Regeneration Incomplete Bank 1
Particulate Filter Regeneration Incomplete Bank 1: the control module has detected this fault condition.
Is it safe to drive with P24A2?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyRegeneration aborted before completion
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
- 0.5–2 h
- Emissions test
- Likely to fail
- Parts involved
- Dpf B1
Related codes
- P243EParticulate Filter Regeneration Incomplete Bank 2
- P249FExcessive Time To Enter Closed Loop Particulate Filter Regeneration Control
- P24A0Closed Loop Particulate Filter Regeneration Control At Limit Temperature Too Low
- P24A1Closed Loop Particulate Filter Regeneration Control At Limit Temperature Too High
- P24A3Particulate Filter Restriction Soot Accumulation Bank 2
- P24A4Particulate Filter Restriction Soot Accumulation Too High Bank 1
- P24A5EGR Cooler Bypass Control Stuck Open Bank 1
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.