AutoCodes – Volkswagen – P1555 Volkswagen

P1555 Volkswagen Code - Charge Pressure Upper Limit Exceeded

Quick Answer

P1555 Volkswagen indicates Charge Pressure Upper Limit Exceeded. Common causes include External leak on intake or exhaust side, Faulty Charge Air Pressure Sensor, Faulty Wastegate Regulator Valve. 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: P1555 Volkswagen indicates Charge Pressure Upper Limit Exceeded.
Common causes: Common causes include External leak on intake or exhaust side, Faulty Charge Air Pressure Sensor, Faulty Wastegate Regulator Valve.
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 11,454

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

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 P1555 Volkswagen Description

OBDII Code P1555 Volkswagen - Charge Pressure Upper Limit Exceeded - AutoCodes.com — P1555 Volkswagen Code - Charge Pressure Upper Limit Exceeded

What does this mean?

What are the Possible Causes of the DTC P1555 Volkswagen?

External leak on intake or exhaust side
Faulty Charge Air Pressure Sensor
Faulty Wastegate Regulator Valve
Fualty Turbocharger

How to Fix the DTC P1555 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 P1555 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.

Need more information about the P1555 Volkswagen code?

Need more information on how to fix the P1555 Volkswagen code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1555 Volkswagen code diagnosed by a professional: Find a repair shop in your area

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 P1555 Volkswagen Code

1. What are the common symptoms of OBDII code P1555 in a Volkswagen related to Charge Pressure Upper Limit Exceeded?

The common symptoms include reduced engine power, engine running rough, and potential black smoke from the exhaust.

2. What are the possible causes of OBDII code P1555 in a Volkswagen?

The possible causes include a malfunctioning turbocharger, issues with the wastegate, faulty sensors, or a problem with the turbo boost control system.

3. How can I diagnose the Charge Pressure Upper Limit Exceeded issue in my Volkswagen?

Diagnosis typically involves checking the turbocharger system for any leaks, inspecting the wastegate, testing the sensors, and ensuring the turbo boost control system is functioning correctly.

4. Can I continue driving my Volkswagen with OBDII code P1555 triggered?

It is not recommended to continue driving your vehicle with this code triggered, as it can lead to further damage to the engine components. It's best to address the issue promptly.

5. How can I reset the OBDII code P1555 in my Volkswagen?

You can reset the code using an OBDII scanner or by disconnecting the car's battery for a few minutes. However, it is important to address the underlying issue causing the code to prevent it from reoccurring.

6. Are there any common repair tips for fixing OBDII code P1555 in a Volkswagen?

Common repair tips include checking for loose or damaged hoses, replacing faulty sensors, cleaning or replacing the wastegate, and ensuring proper turbocharger functionality.

7. Is it possible to prevent OBDII code P1555 from occurring in my Volkswagen?

Regular maintenance, such as checking and replacing air filters, using high-quality fuel, and ensuring the turbocharger system is functioning correctly, can help prevent this code from occurring.

8. Can a DIY enthusiast fix OBDII code P1555 in a Volkswagen?

Depending on your mechanical skills and knowledge, some aspects of diagnosing and repairing this code can be done by a DIY enthusiast. However, complex issues may require professional assistance.

9. How long does it typically take to repair OBDII code P1555 in a Volkswagen?

The repair time can vary based on the specific cause of the issue. Simple fixes like replacing a sensor may take a short time, while more complex problems with the turbocharger system can require more extensive repair work.

10. Will fixing OBDII code P1555 improve my Volkswagen's performance and fuel efficiency?

Addressing this code and repairing the underlying issue can help restore your vehicle's performance, improve fuel efficiency, and prevent further damage to engine components.