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Engine-Codes – Generic – P1475

P1475 Code - Particulate Matter Sensor Electrode Supply Circuit Low Voltage

Quick Answer

The P1475 diagnostic trouble code (DTC) indicates a problem with the Particulate Matter Sensor Electrode Supply Circuit having low voltage. Common causes include Faulty Particulate Matter Sensor, Wiring harness issues, ECM malfunction. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1475 indicates Particulate Matter Sensor Electrode Supply Circuit Low Voltage.
Common causes
Common causes include Faulty Particulate Matter Sensor, Wiring harness issues, ECM malfunction.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code P1475 Description

The P1475 diagnostic trouble code (DTC) indicates a problem with the Particulate Matter Sensor Electrode Supply Circuit having low voltage. This sensor is responsible for monitoring the amount of particulate matter in the exhaust system of a vehicle equipped with a diesel engine. The sensor plays a crucial role in helping the vehicle's engine control module (ECM) optimize the combustion process and reduce harmful emissions.

OBDII Code P1475 - Particulate Matter Sensor Electrode Supply Circuit Low Voltage
P1475 Code - Particulate Matter Sensor Electrode Supply Circuit Low Voltage

Common Causes of P1475

  1. Faulty Particulate Matter Sensor
  2. Wiring harness issues
  3. ECM malfunction
  4. Poor electrical connection
  5. Corrosion or damage to sensor electrodes

Symptoms of P1475

  1. Decreased fuel efficiency
  2. Engine misfires
  3. Illuminated check engine light
  4. Reduced engine power
  5. Increased smoke emissions from the exhaust

How to Fix P1475

  1. Perform a comprehensive diagnostic scan using an OBD-II scanner to identify the specific cause of the low voltage in the Particulate Matter Sensor Electrode Supply Circuit.
  2. Inspect the wiring harness for any damage, corrosion, or loose connections. Repair or replace any faulty wiring as needed.
  3. Test the Particulate Matter Sensor for proper functionality. Replace the sensor if it is found to be faulty.
  4. Check the ECM for any malfunctions or programming issues. Reset or reprogram the ECM if necessary.
  5. Clear the DTC and perform a road test to ensure that the issue has been resolved and the sensor is now operating within normal parameters.

Cost to Fix P1475

The repair costs for addressing a P1475 code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the cost of parts for replacing a faulty Particulate Matter Sensor can range from $100 to $300, while the labor costs can be between $100 and $200. Overall, the total repair cost for resolving this issue may range from $200 to $500. It is advisable to consult with a trusted mechanic or auto repair shop to get an accurate estimate based on the make and model of the vehicle and the extent of the repairs needed.

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Code P1475 Information for Specific Makes

  • P1475 Audi — EVAP Control System LDP Malfunction/Signal Circuit Open
  • P1475 BMW — Leakage Diagnostic Pump Reed Switch Did Not Close
  • P1475 Buick — Particulate Matter Sensor Electrode Supply Circuit Low Voltage
  • P1475 Cadillac — Particulate Matter Sensor Electrode Supply Circuit Low Voltage
  • P1475 Chevrolet — Particulate Matter Sensor Electrode Supply Circuit Low Voltage
  • P1475 Dodge — EGR Valve Position
  • P1475 GMC — Particulate Matter Sensor Electrode Supply Circuit Low Voltage
  • P1475 Mazda — Fan Relay Circuit Low Voltage
  • P1475 MINI — Leakage Diagnostic Pump Reed Switch Did Not Close
  • P1475 Volkswagen — EVAP Control System LDP Malfunction/Signal Circuit Open
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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