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P0505 Volvo Code - Air Assisted Control Valve

- Code Popularity: 9,053 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P0505 Volvo?

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 Air Assisted Control Valve
  • Air Assisted Control Valve harness is open or shorted
  • Air Assisted Control Valve circuit poor electrical connection
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How to Fix the DTC P0505 Volvo?

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 P0505 Volvo 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?

The P0505 code is set when the Air Assisted Control Valve valve does not operate properly.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine hard to start
  • Rough or erratic idle speed

Code P0505 Volvo Description

This system automatically controls engine idle speed to a specified level. Idle speed is controlled through fine adjustment of the amount of air which by-passes the throttle valve via Air Assisted Control Valve. The valve changes the opening of the air by-pass passage to control the amount of assisted air.

OBDII Code P0505 Volvo - Air Assisted Control Valve - AutoCodes.com
P0505 Volvo Code - Air Assisted Control Valve

Need More Information on the Code?

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Code P0505 Volvo comments

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