Particulate Matter Sensor Circuit
A general circuit fault on the particulate matter (PM) sensor - measures soot in the exhaust downstream of the DPF to verify regeneration.
Affected components
- Particulate matter sensor
Common causes
- High likelihood: Open in sensor or wiring
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.