Engine-Codes - Volvo - P0505 Volvo

P0505 Volvo Code - Air Assisted Control Valve

- Code Popularity: 9,054 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
Table of contents
ChatAC AutoCodes.com AI Chat

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
⚠ Does your Volvo have Safety Recalls? → Check here

How to Fix the DTC P0505 Volvo?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Search for P0505 Volvo Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0505 Volvo code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops 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

What Does the P0505 Volvo Code Mean?

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.

P0505 Volvo Code - Air Assisted Control Valve

Need more Information on the Code?

Need more information on how to fix the P0505 Volvo code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0505 Volvo code diagnosed by a professional: Find a repair shop in your area