AutoCodesVolkswagen – P1563 Volkswagen

P1563 Volkswagen Code - Quantity Adjuster Lower Stop Value

Quick Answer

P1563 Volkswagen indicates Quantity Adjuster Lower 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
P1563 Volkswagen indicates Quantity Adjuster Lower 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 9,093
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 30, 2019
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Code P1563 Volkswagen Description

OBDII Code P1563 Volkswagen - Quantity Adjuster Lower Stop Value - AutoCodes.com
P1563 Volkswagen Code - Quantity Adjuster Lower Stop Value

What are the Possible Causes of the DTC P1563 Volkswagen?

  • 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 P1563 Volkswagen?

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 P1563 Volkswagen 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 P1563 Volkswagen Code

1. What does OBDII code P1563 mean for a Volkswagen?

Code P1563 indicates an issue with the Quantity Adjuster Lower Stop Value in the fuel injection pump, which affects the engine's ability to regulate fuel delivery properly.

2. What are the common symptoms of code P1563 in a Volkswagen?

Symptoms may include poor engine performance, difficulty starting, reduced fuel efficiency, hesitation during acceleration, and the check engine light illuminating.

3. What causes the P1563 code in a Volkswagen?

Possible causes include a malfunctioning fuel injection pump, electrical issues like damaged wiring or connectors, or a faulty quantity adjuster within the pump.

4. How can I diagnose the P1563 code in my Volkswagen?

Use an OBDII scanner to confirm the code, inspect the wiring and connectors for damage, and test the fuel injection pump and quantity adjuster for proper operation.

5. Can driving with the P1563 code damage my Volkswagen?

Yes, driving with this code can lead to further engine performance issues and potential damage to the fuel system if not addressed promptly.

6. How do I fix the P1563 code in a Volkswagen?

Repairs may involve replacing the fuel injection pump, fixing damaged wiring or connectors, or recalibrating the quantity adjuster using specialized tools.

7. Is the P1563 code specific to diesel engines in Volkswagens?

Yes, this code is typically associated with diesel engines that use a fuel injection pump to regulate fuel delivery.

8. How much does it cost to repair the P1563 code in a Volkswagen?

Repair costs vary depending on the exact issue but can range from $300 to $1,500, especially if the fuel injection pump needs replacement.

9. Can the P1563 code be cleared without repairs?

Clearing the code with an OBDII scanner without addressing the underlying issue may temporarily turn off the check engine light but won’t fix the problem.

10. Do I need a professional mechanic to fix the P1563 code?

While some basic diagnostics can be done at home, repairing or replacing the fuel injection pump often requires specialized tools and expertise, so professional help is recommended.

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