AutoCodes – Audi – P1562 Audi

P1562 Audi Code - Quantity Adjuster Upper Stop Value

Quick Answer

P1562 Audi indicates Quantity Adjuster Upper Stop Value. Common causes include Faulty Modulating Piston Displacement Sensor, Modulating Piston Displacement Sensor harness is open or shorted, Modulating Piston Displacement Sensor 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: P1562 Audi indicates Quantity Adjuster Upper Stop Value.
Common causes: Common causes include Faulty Modulating Piston Displacement Sensor, Modulating Piston Displacement Sensor harness is open or shorted, Modulating Piston Displacement Sensor 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 3,870

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 30, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1562 Audi Description

OBDII Code P1562 Audi - Quantity Adjuster Upper Stop Value - AutoCodes.com — P1562 Audi Code - Quantity Adjuster Upper Stop Value

What does this mean?

What are the Possible Causes of the DTC P1562 Audi?

Faulty Modulating Piston Displacement Sensor
Modulating Piston Displacement Sensor harness is open or shorted
Modulating Piston Displacement Sensor circuit poor electrical connection

How to Fix the DTC P1562 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 P1562 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.

Need more information about the P1562 Audi code?

Need more information on how to fix the P1562 Audi code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P1562 Audi Code

1. What does the OBDII code P1562 mean on an Audi?

P1562 indicates an issue with the Quantity Adjuster Upper Stop Value, which relates to the fuel injection pump's control over fuel delivery.

2. What are common symptoms of the P1562 code in an Audi?

Symptoms may include poor engine performance, difficulty starting, rough idling, reduced fuel efficiency, and the check engine light turning on.

3. What causes the P1562 code to appear in an Audi?

Common causes include a faulty quantity adjuster, wiring issues, fuel pump wear, contamination in the fuel system, or a malfunctioning fuel injection pump.

4. Can a dirty fuel filter cause the P1562 code on an Audi?

Yes, a clogged or dirty fuel filter can restrict fuel flow, potentially leading to issues with the quantity adjuster and triggering the P1562 code.

5. How is the P1562 code diagnosed on an Audi?

A mechanic will use a scan tool to confirm the code, inspect the fuel injection pump, check the quantity adjuster, and test electrical connections and fuel pressure.

6. Can I drive my Audi with the P1562 code?

Driving with this code is not recommended, as it could cause further damage to the fuel injection system and lead to decreased performance or a potential breakdown.

7. How do you fix the P1562 code on an Audi?

Repairs may include cleaning or replacing the quantity adjuster, repairing or replacing damaged wiring, cleaning the fuel system, or replacing the fuel injection pump.

8. Is the P1562 code specific to Audi vehicles?

No, the P1562 code can appear on other vehicles with similar fuel systems, but the diagnostic and repair process may vary.

9. How much does it cost to repair the P1562 code on an Audi?

Repair costs can range from $200 to $2,000, depending on whether the issue is minor (e.g., cleaning the quantity adjuster) or major (e.g., replacing the fuel injection pump).

10. Can low-quality fuel cause the P1562 code on an Audi?

Yes, using low-quality or contaminated fuel can affect the performance of the quantity adjuster and other fuel system components, potentially triggering the code.