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.
Affected components
- Dpf b1
- Exhaust gas temperature sensor b1
Common causes
- High likelihood: Engine load too high - filter overheating risk
Possible symptoms
- Check engine light or DPF warning light on
- Power loss / limp mode
- Increased fuel consumption
- Failed forced regeneration attempts
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.