P1520 Audi Code - Intake Manifold Changeover Valve 2 Circuit Open
Quick Answer
The P1520 code for Audi relates to an issue with the Intake Manifold Changeover Valve 2 Circuit being open. Common causes include Faulty Changeover Valve: The valve itself may be malfunctioning, causing the circuit to remain open, Wiring Issues: Damage or corrosion in the wiring connected to the valve can disrupt the circuit and trigger the code, ECM Malfunction: A problem with the engine control module may prevent it from properly controlling the valve's operation. 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
- P1520 Audi indicates Intake Manifold Changeover Valve 2 Circuit Open.
- Common causes
- Common causes include Faulty Changeover Valve: The valve itself may be malfunctioning, causing the circuit to remain open, Wiring Issues: Damage or corrosion in the wiring connected to the valve can disrupt the circuit and trigger the code, ECM Malfunction: A problem with the engine control module may prevent it from properly controlling the valve's operation.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1520 Audi Description
The P1520 code for Audi relates to an issue with the Intake Manifold Changeover Valve 2 Circuit being open. This valve is responsible for controlling the flow of air in the intake manifold, which is crucial for the engine's performance and efficiency. When the circuit is open, it means that the valve is not functioning properly, leading to potential issues with the air intake system.
Common Causes of P1520 Audi
- Faulty Changeover Valve: The valve itself may be malfunctioning, causing the circuit to remain open.
- Wiring Issues: Damage or corrosion in the wiring connected to the valve can disrupt the circuit and trigger the code.
- ECM Malfunction: A problem with the engine control module may prevent it from properly controlling the valve's operation.
- Vacuum Leaks: Any leaks in the intake system can affect the valve's performance and trigger the code.
- Electrical Issues: Problems with the electrical connections or components related to the valve can also be a potential cause.
Symptoms of P1520 Audi
- Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the dashboard.
- Decreased Engine Performance: The vehicle may experience a lack of power and slower acceleration due to the disrupted air flow.
- Rough Idle: The engine may idle roughly or inconsistently, indicating an issue with the air intake system.
- Poor Fuel Economy: Reduced fuel efficiency may be noticed, as the engine struggles to burn fuel efficiently without the correct air intake.
How to Fix P1520 Audi
- Diagnose the Issue: Use a diagnostic scanner to retrieve the specific code and pinpoint the exact cause of the problem.
- Inspect Changeover Valve: Check the condition of the intake manifold changeover valve 2 to determine if it is faulty or damaged.
- Test Wiring and Connections: Inspect the wiring and connections related to the valve for any damage or corrosion, and repair as necessary.
- Replace Changeover Valve: If the valve is determined to be faulty, replace it with a new one to restore proper function.
- Clear Codes and Test: After completing the repair, clear the diagnostic trouble codes (DTCs) from the ECM and test the vehicle to ensure the issue has been resolved.
Cost to Fix P1520 Audi
The cost of repairing the Intake Manifold Changeover Valve 2 Circuit Open issue can vary depending on the specific cause of the problem and the extent of repairs needed. On average, parts for replacing the valve itself can range from $100 to $300, while labor costs can range from $100 to $200. Overall, the total repair cost can amount to approximately $200 to $500, including parts and labor. However, it's important to note that these estimates are general and can vary based on factors such as location, vehicle make and model, and the repair shop's labor rates. It's recommended to obtain quotes from local auto repair shops for a more accurate cost estimate.
Need more information about the P1520 Audi code?
Need more information on how to fix the P1520 Audi code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1520 Audi code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1520 Audi Code
No Frequently Asked Questions about P1520 Audi Code found.
Discuss the causes and fixes for P1520 Audi OBDII Code
Code P1520 Audi comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.