Particulate Matter Sensor Heater Control Circuit Open
The PM sensor heater (regenerates the sensor by burning off accumulated soot) has an open control circuit.
Affected components
- Particulate matter sensor heater
Common causes
- High likelihood: Open in heater or wiring
- Low likelihood: Pin pushed back out of connector body
- Low likelihood: Cracked solder joint inside the module or sensor
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.