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P1409 Mazda Code - EGR Vacuum Regulator Solenoid Circuit Malfunction

- Code Popularity: 23,712 Views
- Repair Importance Level: 2/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P1409 Mazda?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty EGR Vacuum Regulator Solenoid
  • EGR Vacuum Regulator Solenoid harness is open or shorted
  • EGR Vacuum Regulator Solenoid circuit poor electrical connection
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How to Fix the DTC P1409 Mazda?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1409 Mazda code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

ECM commandes EGR vacuum regulator on-System voltage too high or low

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1409 Mazda Description

This test checks the electrical function of the EGRVR solenoid. The test fails when the EGRVR circuit voltage is either too high or too low when compared to the expected voltage range. The EGR system must be enabled for the test to be completed.

OBDII Code P1409 Mazda - EGR Vacuum Regulator Solenoid Circuit Malfunction - AutoCodes.com
P1409 Mazda Code - EGR Vacuum Regulator Solenoid Circuit Malfunction

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Code P1409 Mazda comments

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