P0755 Hyundai Code - Shift Control Solenoid Valve 'B'
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 Hyundai indicates Shift Control Solenoid Valve 'B'.
- 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.
Code P0755 Hyundai Description
What are the Possible Causes of the DTC P0755 Hyundai?
- 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 Hyundai?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0755 Hyundai 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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Frequently Asked Questions about P0755 Hyundai Code
1. What does OBDII code P0755 for a Hyundai mean?
Code P0755 indicates a malfunction in the Shift Control Solenoid Valve 'B' in the transmission.
2. What are the common symptoms of a Shift Control Solenoid Valve 'B' malfunction?
Common symptoms include harsh shifting, delayed or erratic shifting, transmission slipping, and in some cases, the transmission may not shift at all.
3. What are the possible causes of OBDII code P0755 in a Hyundai?
The common causes of this code include a faulty shift control solenoid valve 'B', low transmission fluid level, dirty transmission fluid, wiring issues, or a malfunctioning transmission control module.
4. How serious is a P0755 OBDII code in a Hyundai?
Ignoring code P0755 can lead to further damage to the transmission and drivability issues. It is advisable to address the issue promptly to prevent more severe problems.
5. Can I continue driving my Hyundai with OBDII code P0755?
It is not recommended to continue driving your Hyundai with code P0755, as it can cause further damage to the transmission. It's best to have the issue diagnosed and repaired as soon as possible.
6. How do I diagnose a Shift Control Solenoid Valve 'B' issue in my Hyundai?
Diagnosis typically involves using a scan tool to read the OBDII code, checking the transmission fluid level and condition, inspecting the wiring and connectors, and testing the shift control solenoid valve 'B' for proper operation.
7. Can I repair the Shift Control Solenoid Valve 'B' in my Hyundai myself?
While some DIY enthusiasts may attempt to replace the shift control solenoid valve 'B' themselves, it is recommended to have this repair done by a professional mechanic due to the complexity of the transmission system.
8. How much does it cost to repair OBDII code P0755 in a Hyundai?
The cost of repairing code P0755 can vary depending on the underlying cause of the issue, the labor rates in your area, and whether genuine Hyundai parts are used. It's best to get a few quotes from reputable repair shops.
9. Are there any maintenance tips to prevent OBDII code P0755 in my Hyundai?
Regularly checking and changing the transmission fluid according to the manufacturer's recommendations can help prevent issues with the shift control solenoid valve 'B'. Additionally, addressing any transmission problems promptly can also help prevent this code.
10. Can a Shift Control Solenoid Valve 'B' issue cause other problems in my Hyundai?
Yes, a malfunctioning shift control solenoid valve 'B' can cause a variety of transmission-related issues, including poor fuel economy, rough shifting, and potential damage to other transmission components if left unrepaired.
Discuss the causes and fixes for P0755 Hyundai OBDII Code
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Hi, i want to ask about P0755 for Hyundai i30 Model 2007/2008
Where is its location in the car? -
The solenoids are attached to the transmission valve body and the valve body is inside the transmission.

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Hi, where can i buy a Shift Control Solenoid Valve 'B' for a hyundai XG300, I have a P0755 code on my car and i am looking for a seller that can ship to Uganda a country in East Africa
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need help am getting P1507,P0340,P0755,P0745,P0743,P01709 ON MY 2003 HYUNDAI
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Some of the codes listed are not related, you probably have more than one problem. I recommend clearing all the code and work on the code that comes back first.
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Where is the Shift Solenoid B located on my 2004 Hyundai Santa Fe A/T? I have a Check Engine light lit and Codes P1529 and P0755.
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For your vehicle, the the Shift Solenoid B is called "Underdrive Solenoid" (UD)
The solenoid is attached to the valve body inside the transmission.

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where would I find the shift solenoid B on a A5HF1 transmission in a 06 Hyundai sonata?
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For your vehicle, the Shift Solenoid B is called "Underdrive Solenoid" (UD)
The solenoid is attached to the valve body inside the transmission.

Click here to enlarge image -
Hello, where can I find shift control solenoid valve B (underdrive solenoid) for an elantra 2010 GL, and what would be the part number?
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Unfortunately, I don't have the part number, The Solenoid is attached to the Transmission Valve Body inside the Transmission

Click here to enlarge image
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