AutoCodes – Generic – P0759

P0759 Code - Shift Solenoid 'B' Intermittent

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: P0759 indicates Shift Solenoid 'B' Intermittent.
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 9,814

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 May 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0759 Description

OBDII Code P0759 - Shift Solenoid 'B' Intermittent - AutoCodes.com — P0759 Code - Shift Solenoid 'B' Intermittent

What does this mean?

What are the Possible Causes of the DTC P0759?

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 P0759?

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 P0759 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 P0759 code?

Need more information on how to fix the P0759 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0759 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P0759 Mazda — Shift Solenoid 'B' Intermittent
P0759 Mercedes-Benz — Shift Solenoid 'B' Intermittent

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 P0759 Code

1. What are the common symptoms of OBDII code P0759 (Shift Solenoid 'B' Intermittent)?

The common symptoms include erratic shifting, harsh shifting, transmission slippage, and potential transmission overheating.

2. What can cause the OBDII code P0759 to be triggered?

The code is usually triggered by a faulty shift solenoid 'B', wiring issues, low transmission fluid level, or a failing transmission control module.

3. How serious is OBDII code P0759 (Shift Solenoid 'B' Intermittent)?

This code should be addressed promptly as it can lead to further transmission damage if left untreated. It is recommended to have the issue diagnosed and repaired as soon as possible.

4. Can I continue driving with OBDII code P0759 active?

It is not recommended to continue driving with this code active, as it can cause further damage to the transmission. It is best to address the issue promptly.

5. How can I repair OBDII code P0759 on my own?

If you have experience with automotive repairs, you can attempt to replace the faulty shift solenoid 'B' yourself. However, it is recommended to consult a professional mechanic for an accurate diagnosis and repair.

6. Will resetting the OBDII code P0759 make it go away permanently?

Simply resetting the code will not fix the underlying issue causing P0759. It is important to diagnose the root cause of the problem and address it properly to prevent the code from reoccurring.

7. Can a dirty transmission fluid filter cause OBDII code P0759 to appear?

Yes, a clogged or dirty transmission fluid filter can affect the proper functioning of the shift solenoid 'B' and potentially trigger the P0759 code.

8. How long does it typically take to repair OBDII code P0759?

The repair time can vary depending on the exact cause of the issue and the extent of the repairs needed. It is advisable to consult a professional mechanic for a more accurate estimate.

9. Is it safe to drive to the repair shop with OBDII code P0759 active?

If you must drive to the repair shop, try to drive gently and avoid putting excessive strain on the transmission. However, it is best to have the vehicle towed to prevent further damage.

10. Can OBDII code P0759 be caused by electrical problems?

Yes, electrical issues such as a faulty wiring harness or a malfunctioning transmission control module can lead to the triggering of OBDII code P0759.