AutoCodes – Audi – P1475 Audi

P1475 Audi Code - EVAP Control System LDP Malfunction/Signal Circuit Open

Quick Answer

P1475 Audi indicates EVAP Control System LDP Malfunction/Signal Circuit Open. Common causes include Faulty Leak Detection Pump (LDP), Leak Detection Pump harness is open or shorted, Leak Detection Pump circuit poor electrical connection. 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: P1475 Audi indicates EVAP Control System LDP Malfunction/Signal Circuit Open.
Common causes: Common causes include Faulty Leak Detection Pump (LDP), Leak Detection Pump harness is open or shorted, Leak Detection Pump circuit poor electrical connection.
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.

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Code Popularity 5,814

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Aug 24, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1475 Audi Description

OBDII Code P1475 Audi - EVAP Control System LDP Malfunction/Signal Circuit Open - AutoCodes.com — P1475 Audi Code - EVAP Control System LDP Malfunction/Signal Circuit Open

What does this mean?

What are the Possible Causes of the DTC P1475 Audi?

Faulty Leak Detection Pump (LDP)
Leak Detection Pump harness is open or shorted
Leak Detection Pump circuit poor electrical connection

How to Fix the DTC P1475 Audi?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1475 Audi code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1475 Audi Code

1. What does the OBDII code P1475 indicate on an Audi?

The code P1475 on an Audi indicates a malfunction in the Evaporative Emission Control System, specifically pointing to the Leak Detection Pump (LDP) or its signal circuit being open.

2. What are common symptoms of the P1475 code in an Audi?

Common symptoms include the Check Engine Light being illuminated, possible fuel odor from the vehicle, and in some cases, a slight decrease in fuel efficiency.

3. What causes the P1475 code to appear in an Audi?

Potential causes include a faulty Leak Detection Pump (LDP), damaged or corroded wiring or connectors in the LDP circuit, or a blown fuse affecting the LDP's operation.

4. How can I troubleshoot the P1475 code in my Audi?

Start by inspecting the wiring and connectors leading to the Leak Detection Pump for any signs of damage or corrosion. Also, check the fuse related to the LDP system. If these components are in good condition, testing the LDP itself with a multimeter or scan tool may be necessary.

5. Is it safe to drive my Audi with the P1475 code?

While you can usually still drive the vehicle, it is advisable to address the issue promptly as it involves the evaporative emission system, which helps in controlling harmful vapors from escaping into the atmosphere.

6. What repair steps should be taken to resolve code P1475?

Repair procedures might include replacing the Leak Detection Pump, repairing or replacing damaged wires or connectors in the LDP circuit, or replacing the associated fuse. After repairs, clear the code and test drive to ensure the issue is resolved.

7. How much does it typically cost to fix the P1475 code in an Audi?

Costs can vary widely depending on the specific repair needed and labor rates in your area. Replacing a Leak Detection Pump can range from $250 to $400 including parts and labor.

8. Could the P1475 code affect the overall performance of my Audi?

Generally, the P1475 code will not significantly affect the performance of the car. However, ignoring the issue could lead to a failed emissions test and potentially more serious environmental impacts.

9. Will the P1475 code clear itself if the fault was temporary?

It is unlikely for the P1475 code to clear itself without intervention. Even if the issue was temporary, diagnostic equipment is typically needed to reset the code and ensure the system is functioning correctly.

10. What tools are needed to diagnose the P1475 code on an Audi?

A professional OBDII scanner, a digital multimeter, and possibly a smoke machine for detecting leaks in the EVAP system are essential tools for diagnosing and verifying the repair of a P1475 code.