Particulate Matter Sensor Exhaust Sample Error Bank 1
The PM sensor on bank 1 cannot acquire a valid exhaust sample - probe fouled, exhaust path obstructed at sensor, or sensor seal leaking.
Affected components
- Particulate matter sensor
Common causes
- High likelihood: Sensing element fouled
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.