Particulate Filter Regeneration Frequency Bank 2
The DPF on bank 2 needs regeneration more often than calibrated. Possible causes are an oil-burning engine, fuel-injector leak, short-trip operation, or a sensor offset.
Affected components
- Dpf b2
- Fuel injectors
Common causes
- High likelihood: Short-trip operation
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
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.