P1476
Particulate Matter Sensor Electrode Supply Circuit High 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
- Increased fuel consumption
- Problems with the exhaust gas cleaning system
- Possible errors in other exhaust system sensors
Causes
- Short circuit in the sensor circuit
- Broken or damaged wiring
- Particulate sensor malfunction
- Relay or fuse problems
- ECU malfunction (rare)
How to Fix
- Check the integrity of wiring and connectors
- Measure the resistance and voltage in the sensor circuit
- Check system fuses and relays
- Replace the soot sensor if necessary
- Test and, if necessary, replace the ECU