AutoCodes – Audi – P0757 Audi

P0757 Audi Code - Shift Solenoid 'B' Stuck On

Quick Answer

Shift solenoid valve B is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'B' 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: P0757 Audi indicates Shift Solenoid 'B' Stuck On.
Common causes: Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'B' 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 4,200

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 Jun 14, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0757 Audi Description

OBDII Code P0757 Audi - Shift Solenoid 'B' Stuck On - AutoCodes.com — P0757 Audi Code - Shift Solenoid 'B' Stuck On

What does this mean?

What are the Possible Causes of the DTC P0757 Audi?

Low transmission fluid level
Dirty transmission fluid
Faulty shift solenoid 'B' valve
Shift solenoid 'B' valve harness or connectors
Shift solenoid 'B' valve circuit is open or shorted

How to Fix the DTC P0757 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 does this mean?

Code Tech Notes

When the a transmission solenoid is stuck on, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0757 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 P0757 Audi Code

1. What does the OBDII code P0757 mean on an Audi?

P0757 indicates that the transmission control module (TCM) has detected that shift solenoid 'B' is stuck in the "on" position, potentially causing shifting issues.

2. What are the common symptoms of a P0757 code in an Audi?

Symptoms can include harsh or delayed shifting, being stuck in one gear, transmission slipping, reduced fuel efficiency, or the check engine light illuminating.

3. What causes the P0757 code to appear in an Audi?

Common causes include a faulty shift solenoid, low or dirty transmission fluid, wiring or connector issues, or internal transmission problems such as valve body failure.

4. Can driving with a P0757 code damage my Audi's transmission?

Yes, continuing to drive with this code can lead to further transmission damage, so itâ€™s best to address the issue as soon as possible.

5. How do I fix the P0757 code in my Audi?

Repairs may involve replacing the shift solenoid, flushing and refilling the transmission fluid, repairing damaged wiring or connectors, or inspecting the valve body for issues.

6. How can I diagnose a P0757 code in my Audi?

Diagnosis typically involves scanning for additional codes, inspecting the transmission fluid condition, testing the shift solenoid for functionality, and checking the wiring and connectors for damage.

7. Can low transmission fluid cause the P0757 code in an Audi?

Yes, low or contaminated transmission fluid can cause the solenoid to malfunction, leading to the P0757 code.

8. How much does it cost to repair a P0757 code in an Audi?

The repair cost can vary widely depending on the issue, ranging from $150â€“$400 for a solenoid replacement to $1,000+ for more significant transmission repairs.

9. Is it safe to drive my Audi with the P0757 code?

Itâ€™s not recommended to drive with this code as it can cause further damage to the transmission and lead to unsafe driving conditions.

10. Will clearing the P0757 code fix my Audiâ€™s issue?

Clearing the code without addressing the root cause will not fix the problem, and the code will likely return. Proper diagnosis and repair are necessary.