OBD-II code · Powertrain (generic, extended)
P244D Exhaust Temperature Too High For Particulate Filter Regeneration Bank 1
Same as P244C with the EGT too high - regeneration paused to protect filter substrate from melt damage.
Is it safe to drive with P244D?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyEngine load too high - filter overheating risk
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
- 0.3–2 h
- Emissions test
- Likely to fail
- Parts involved
- Dpf B1, Exhaust Gas Temperature Sensor B1
Related codes
- P244FExhaust Temperature Too High For Particulate Filter Regeneration Bank 2
- P244ADiesel Particulate Filter Differential Pressure Too Low
- P244BDiesel Particulate Filter Differential Pressure Sensor Offset
- P244CExhaust Temperature Too Low For Particulate Filter Regeneration Bank 1
- P244EExhaust Temperature Too Low For Particulate Filter Regeneration Bank 2
- P2450EVAP System Switching Valve Performance/Stuck
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.