OBD Guide

P1475

Particulate Matter Sensor Electrode Supply Circuit Low Voltage

P1475 is an OBD-II diagnostic trouble code meaning: Particulate Matter Sensor Electrode Supply Circuit Low Voltage. Common causes: open or short circuit in the sensor circuit, particulate sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can 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

  1. Check the integrity of the sensor power supply circuit
  2. Inspect connectors and contacts for corrosion
  3. Check the resistance of the soot sensor
  4. Replace sensor if necessary
  5. Check the operation of the engine control unit

Related codes

Error P1475 by Vehicle Brand

FAQ

What does the P1475 code mean?

P1475 is an OBD-II diagnostic trouble code that indicates: Particulate Matter Sensor Electrode Supply Circuit Low Voltage

What causes a P1475 error code?

The most common causes of P1475 include: Open or short circuit in the sensor circuit; Particulate sensor malfunction; Wiring Harness Problems; Engine control unit malfunction.

How do I fix a P1475 diagnostic trouble code?

To fix P1475: Check the integrity of the sensor power supply circuit. Inspect connectors and contacts for corrosion. Check the resistance of the soot sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1475?

Yes, but get it checked soon

How much does it cost to fix P1475?

The estimated repair cost for P1475 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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