Volkswagen Audi Error Code P1475: How to Fix It

Medium 1-2 hours Low Severity Verified June 2026
Error Code
P1475
Brand
Volkswagen Audi
Product Type
automotive
Severity
Low
DIY Difficulty
Medium
Estimated Fix Time
1-2 hours
Error code P1475 on Volkswagen Audi vehicles indicates a malfunction signal from the Leak Detection Pump (LDP) in the EVAP emission control system. This usually means the LDP is not functioning properly, often due to a stuck pump, electrical issue, or a leak in the EVAP system. While not a critical failure, it can cause check engine light and potential emissions test failure.
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Tools You'll Need

How to Fix Error Code P1475

  1. Check for EVAP System Leaks

  2. Test the Leak Detection Pump (LDP)

    Ensure the ignition is off and battery disconnected before testing electrical components.
  3. Replace the Leak Detection Pump

    Work in a well-ventilated area as fuel vapors may be present.
  4. Clear the Error Code and Test

Parts You May Need

Leak Detection Pump (LDP)
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Leak Detection Pump (LDP)
Check Price on Amazon
Leak Detection Pump (LDP)
Check Price on Amazon
Leak Detection Pump (LDP)
Check Price on Amazon
Leak Detection Pump (LDP)
Check Price on Amazon
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When to Call a Professional

If you've replaced the LDP and the code returns, or if you suspect an ECM or wiring problem, consult a professional mechanic. Also, if you're uncomfortable working around fuel systems, seek professional help.

Frequently Asked Questions

What does error code P1475 mean on VW Audi?
It indicates a malfunction signal from the Leak Detection Pump (LDP) in the EVAP system. The pump is not functioning correctly, which can trigger the check engine light.
Can I drive with P1475?
Yes, the car is generally drivable, but you may fail an emissions test. It's best to fix it to avoid potential fuel vapor leaks and ensure proper emissions control.
How much does it cost to fix P1475?
DIY cost for a new LDP is around $50-$100 plus tools. Professional repair can cost $200-$400 including labor and diagnosis.
Will a loose gas cap cause P1475?
Typically, a loose gas cap causes different codes (e.g., P0455, P0456). P1475 is specifically related to the LDP malfuncton, not a gas cap issue.
Where is the LDP located on VW Audi?
The Leak Detection Pump is usually located on top of or near the fuel tank, often underneath the vehicle on the passenger side. Consult your vehicle's service manual for exact location.