AutoCodes – Audi – P0756 Audi

P0756 Audi Code - Shift Solenoid 'B' Performance or Stuck Off

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: P0756 Audi indicates Shift Solenoid 'B' Performance or Stuck Off.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 6,517

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0756 Audi Description

OBDII Code P0756 Audi - Shift Solenoid 'B' Performance or Stuck Off - AutoCodes.com — P0756 Audi Code - Shift Solenoid 'B' Performance or Stuck Off

What does this mean?

What are the Possible Causes of the DTC P0756 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 P0756 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 off, 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 P0756 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 P0756 Audi code?

Need more information on how to fix the P0756 Audi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0756 Audi 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 P0756 Audi Code

1. What does the OBDII code P0756 mean for an Audi?

P0756 indicates a problem with the Shift Solenoid 'B,' which may be stuck off or not performing as it should. This solenoid controls fluid flow within the transmission to enable proper gear shifting.

2. What are the common symptoms of the P0756 code?

Symptoms include harsh or delayed shifting, transmission slipping, inability to shift into certain gears, poor fuel economy, or the illumination of the check engine light.

3. What causes the P0756 code to appear on an Audi?

Possible causes include a faulty shift solenoid, low or dirty transmission fluid, clogged transmission fluid passages, damaged wiring or connectors, or internal transmission issues.

4. Can driving with the P0756 code damage my Audiâ€™s transmission?

Yes, continuing to drive with this code can cause further damage to the transmission, leading to more expensive repairs. Itâ€™s best to address the issue promptly.

5. How can I diagnose the P0756 code in my Audi?

Diagnosis involves scanning for trouble codes, checking the transmission fluid level and condition, inspecting the wiring and connectors to the solenoid, and testing the solenoid's functionality.

6. How do I fix the P0756 code on an Audi?

Repairs may include replacing the shift solenoid, flushing and refilling the transmission fluid, repairing damaged wiring or connectors, or addressing internal transmission problems.

7. How much does it cost to fix the P0756 code in an Audi?

Costs vary depending on the cause, but replacing a shift solenoid typically ranges from $150 to $400. A transmission fluid flush costs around $100 to $250. More extensive repairs can be significantly higher.

8. Can low transmission fluid cause the P0756 code?

Yes, low or dirty transmission fluid can cause the solenoid to malfunction, leading to the P0756 code. Always check and maintain proper fluid levels.

9. Do I need to replace the entire transmission if I get the P0756 code?

Not necessarily. In most cases, the issue can be resolved by repairing or replacing the shift solenoid, addressing fluid problems, or fixing wiring issues.

10. Is it safe to reset the P0756 code without repairs?

Resetting the code without addressing the root cause is not recommended, as the problem will likely persist and could lead to more severe transmission damage.