Particulate Filter B Incorrect
The ECM detects that the installed particulate filter B does not match the expected type or specification. Wrong replacement part or substrate damage.
Affected components
- Particulate filter b
Common causes
- High likelihood: Wrong DPF type installed
- Medium likelihood: Substrate damaged or missing
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
- A drive cycle may be required after repair
- Reduced-power or limp mode may occur
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.