P1475
Particulate Matter Sensor Electrode Supply Circuit Low Voltage
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Activating emergency engine operation
- Problems with diesel particulate filter regeneration
- Increased fuel consumption
Causes
- Open or short circuit in the sensor circuit
- Particulate sensor malfunction
- Wiring Harness Problems
- Engine control unit malfunction
- Corrosion of contacts or connectors
How to Fix
- Check the integrity of the sensor power supply circuit
- Inspect connectors and contacts for corrosion
- Check the resistance of the soot sensor
- Replace sensor if necessary
- Check the operation of the engine control unit