AutoCodes – Volkswagen – P1288 Volkswagen

P1288 Volkswagen Code - Turbocharger Bypass Valve short to B+

Quick Answer

P1288 Volkswagen indicates Turbocharger Bypass Valve short to B+. Common causes include Faulty Turbocharger Bypass Valve, Turbocharger Bypass Valve harness is open or shorted, Turbocharger Bypass Valve 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: P1288 Volkswagen indicates Turbocharger Bypass Valve short to B+.
Common causes: Common causes include Faulty Turbocharger Bypass Valve, Turbocharger Bypass Valve harness is open or shorted, Turbocharger Bypass Valve 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 6,377

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 06, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1288 Volkswagen Description

OBDII Code P1288 Volkswagen - Turbocharger Bypass Valve short to B+ - AutoCodes.com — P1288 Volkswagen Code - Turbocharger Bypass Valve short to B+

What does this mean?

What are the Possible Causes of the DTC P1288 Volkswagen?

Faulty Turbocharger Bypass Valve
Turbocharger Bypass Valve harness is open or shorted
Turbocharger Bypass Valve circuit poor electrical connection

How to Fix the DTC P1288 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 P1288 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 P1288 Volkswagen code?

Need more information on how to fix the P1288 Volkswagen code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1288 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 P1288 Volkswagen Code

1. What are the common symptoms of OBDII code P1288 in a Volkswagen related to the Turbocharger Bypass Valve short to B+?

The common symptoms include reduced engine power, poor acceleration, and the vehicle going into limp mode.

2. What can cause the OBDII code P1288 in a Volkswagen indicating a Turbocharger Bypass Valve short to B+?

Possible causes could be a faulty turbocharger bypass valve, damaged wiring or connectors, or a problem with the turbocharger bypass valve control circuit.

3. How serious is the OBDII code P1288 in a Volkswagen due to Turbocharger Bypass Valve short to B+?

This code should be addressed promptly as it can lead to reduced engine performance and potential long-term damage if left unresolved.

4. Can driving with the OBDII code P1288 in a Volkswagen be harmful to the vehicle?

Continuing to drive with this code may cause further damage to the turbocharger system and other engine components, so it is advisable to address the issue as soon as possible.

5. How can I diagnose the OBDII code P1288 in a Volkswagen related to the Turbocharger Bypass Valve short to B+?

Diagnosis typically involves using a scan tool to check for the code, inspecting the bypass valve and its components, and testing the wiring and connections for any faults.

6. What are some repair tips for fixing the OBDII code P1288 in a Volkswagen due to Turbocharger Bypass Valve short to B+?

Repair tips may include checking and replacing any damaged wiring or connectors, testing and potentially replacing the turbocharger bypass valve, and ensuring proper connection of all components.

7. Is it possible to reset the OBDII code P1288 in a Volkswagen after repairing the Turbocharger Bypass Valve short to B+ issue?

Yes, after resolving the underlying problem causing the code, you can use a scan tool to clear the code and reset the vehicle's system.

8. Can a DIY enthusiast fix the OBDII code P1288 related to the Turbocharger Bypass Valve short to B+ in a Volkswagen?

While it is possible for experienced DIYers to address this issue, it is recommended to seek professional help, especially when dealing with complex engine components like the turbocharger system.

9. How much does it typically cost to repair the OBDII code P1288 in a Volkswagen caused by a Turbocharger Bypass Valve short to B+ issue?

The cost of repair can vary depending on the exact cause of the problem, but it may involve parts replacement, labor costs, and potential diagnostic fees.

10. Will fixing the OBDII code P1288 in a Volkswagen improve the vehicle's performance and fuel efficiency?

Yes, addressing this code and resolving the Turbocharger Bypass Valve issue can help restore engine performance, improve fuel efficiency, and prevent further damage to the vehicle.