AutoCodes – MINI – P0755 MINI

P0755 MINI Code - Shift Solenoid 'B' Malfunction

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: P0755 MINI indicates Shift Solenoid 'B' Malfunction.
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 Step-by-Step Diagnostic Guide My Repairs

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

Code Popularity 1,565

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
Step-by-Step Diagnostic Guide
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 P0755 MINI Description

OBDII Code P0755 MINI - Shift Solenoid 'B' Malfunction - AutoCodes.com — P0755 MINI Code - Shift Solenoid 'B' Malfunction

What does this mean?

What are the Possible Causes of the DTC P0755 MINI?

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

How to Fix the DTC P0755 MINI?

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 malfunction, 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 P0755 MINI 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 P0755 MINI code?

Need more information on how to fix the P0755 MINI code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0755 MINI 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 P0755 MINI Code

1. What are the common symptoms of OBDII code P0755 in a MINI vehicle?

Common symptoms include harsh shifting, erratic shifting, transmission slipping, and the transmission staying in one gear.

2. What can cause the Shift Solenoid 'B' Malfunction (P0755) in a MINI?

Common causes of this code include a faulty shift solenoid 'B', low transmission fluid level, dirty transmission fluid, or wiring issues.

3. How serious is the Shift Solenoid 'B' Malfunction OBDII code in a MINI?

Ignoring this code can lead to further damage to the transmission and drivability issues. It is recommended to address the issue promptly.

4. Can I continue driving my MINI with OBDII code P0755?

It is not recommended to drive the vehicle with this code present, as it can lead to transmission damage. It is best to have the issue diagnosed and repaired as soon as possible.

5. How can I diagnose OBDII code P0755 in my MINI?

Diagnosis typically involves checking the transmission fluid level and condition, inspecting the wiring connected to the shift solenoid 'B', and testing the solenoid itself for proper operation.

6. What are some repair tips for fixing the Shift Solenoid 'B' Malfunction in a MINI?

Repair tips include replacing the faulty shift solenoid 'B', ensuring the transmission fluid is at the correct level and clean, and repairing any damaged wiring or connectors.

7. Can a DIY enthusiast fix OBDII code P0755 in a MINI?

While some aspects of diagnosing and repairing this code can be done by a DIY enthusiast, it is recommended to seek professional help, especially when dealing with transmission components.

8. How much does it typically cost to repair OBDII code P0755 in a MINI?

The cost of repairing this code can vary depending on the root cause of the issue, but it may range from $200 to $600 or more, including parts and labor.

9. Will resetting the OBDII code P0755 make it go away permanently?

Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to return. It's essential to diagnose and fix the root cause.

10. Is OBDII code P0755 specific to MINI vehicles, or can it occur in other car brands?

While P0755 is a generic OBDII code related to shift solenoid malfunctions, it can occur in various vehicle makes and models, not limited to MINI cars.