AutoCodes – Mazda – P0759 Mazda

P0759 Mazda 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 Mazda 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 2,997

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 Mazda Description

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

What does this mean?

What are the Possible Causes of the DTC P0759 Mazda?

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 Mazda?

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 Mazda 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 Mazda code?

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Need Help with the Code?

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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 P0759 Mazda Code

1. What does OBDII code P0759 mean on a Mazda?

P0759 indicates an intermittent issue with Shift Solenoid 'B,' which controls gear shifting in the transmission.

2. What are the common symptoms of code P0759 in a Mazda?

Symptoms include harsh or delayed shifting, transmission stuck in one gear, reduced fuel efficiency, and the check engine light turning on.

3. What causes code P0759 on a Mazda?

Common causes include a faulty shift solenoid 'B,' dirty or low transmission fluid, wiring problems, or a damaged transmission control module (TCM).

4. Can I drive my Mazda with a P0759 code?

Driving with this code is not recommended as it can lead to further transmission damage and unsafe driving conditions.

5. How do I fix the P0759 code on a Mazda?

Repairs may include replacing the shift solenoid 'B,' cleaning or replacing transmission fluid, repairing damaged wiring, or reprogramming the TCM.

6. How much does it cost to repair a P0759 code on a Mazda?

Repair costs vary but typically range from $150 to $400 for solenoid replacement, while more extensive transmission issues may cost significantly more.

7. Can low transmission fluid cause P0759 in a Mazda?

Yes, low or dirty transmission fluid can cause solenoid malfunctions, leading to code P0759.

8. How is the P0759 code diagnosed on a Mazda?

A mechanic will use a scan tool to read the code, inspect the wiring and solenoid, check transmission fluid levels, and perform electrical tests.

9. Is P0759 a serious issue for my Mazda?

Yes, it is a serious issue as it affects the transmission's ability to shift properly, potentially leading to further damage if not addressed.

10. How can I prevent a P0759 code on my Mazda?

Regular maintenance, such as checking and replacing transmission fluid on schedule, and promptly addressing any transmission issues, can help prevent this code.