Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 1
During an attempted regeneration of the bank 1 DPF the EGT did not reach the temperature window needed for soot oxidation. Regeneration could not start or was held. Driving in higher load is needed.
Affected components
- Dpf b1
- Exhaust gas temperature sensor b1
Common causes
- High likelihood: Engine load too low for regeneration
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.