P0755 KIA Code - Underdrive Solenoid Valve System
Quick Answer
Underdrive solenoid valve 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 underdrive solenoid 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 KIA indicates Underdrive Solenoid Valve System.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty underdrive solenoid 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 KIA Description
What are the Possible Causes of the DTC P0755 KIA?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty underdrive solenoid valve
- Underdrive solenoid valve harness is open or shorted
- Underdrive solenoid valve circuit poor electrical connection
How to Fix the DTC P0755 KIA?
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 P0755 KIA 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 KIA code?
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Need Help with the Code?
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Frequently Asked Questions about P0755 KIA Code
1. What does the OBDII code P0755 mean on a Kia?
P0755 indicates an issue with the Underdrive Solenoid Valve System, typically relating to a malfunction in the solenoid responsible for controlling transmission fluid flow.
2. What are the common symptoms of a P0755 code on a Kia?
Symptoms may include harsh or delayed shifting, transmission slipping, poor acceleration, and the check engine light being illuminated.
3. What causes the P0755 code on a Kia?
Common causes include a faulty underdrive solenoid valve, damaged wiring or connectors, low or dirty transmission fluid, or internal transmission issues.
4. Can I drive my Kia with a P0755 code?
Driving with a P0755 code is not recommended, as it can lead to further transmission damage and unsafe driving conditions.
5. How do you diagnose the P0755 code on a Kia?
A technician will check the transmission fluid, inspect wiring and connectors, test the underdrive solenoid valve, and use a scan tool to monitor solenoid operation.
6. How do you fix the P0755 code on a Kia?
Repairs may include replacing the underdrive solenoid valve, repairing damaged wiring, cleaning or replacing transmission fluid, or addressing internal transmission issues.
7. How much does it cost to fix a P0755 code on a Kia?
Repair costs vary but can range from $150 to $400 for solenoid replacement, with higher costs if internal transmission repairs are needed.
8. Can low transmission fluid cause the P0755 code?
Yes, low or dirty transmission fluid can cause the P0755 code by affecting the performance of the underdrive solenoid valve.
9. Is the P0755 code specific to Kia vehicles?
No, the P0755 code is a generic OBDII code that can appear on various vehicles, but its specific symptoms and fixes may vary by make and model.
10. How can I prevent the P0755 code from occurring on my Kia?
Regularly check and maintain proper transmission fluid levels, service the transmission as recommended, and address any warning signs promptly.
Discuss the causes and fixes for P0755 KIA OBDII Code
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The solenoids are attached to the transmission valve body and that valve body is inside the transmission.
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When you put in reverse jars the engi0ne hard then put in drive its in 3rd all the time put in Manual it won't shift shows in 3rd at first just showed po720 code changed part tried to clear error but same problem and checked connectors switch on middle pin suppose to show approximately 5 volts but only 1.89 volts both sensor connectors checked codes again got the p0750 code. Anybody know what the_____
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WHEN SHOULD BE TURNED FROM N TO D, THERE ARE MISSING, AND THE ENGINE SCANING P0760, P0755 SHIFT CONTROL SOLENOID VALVE "C" AND SHIFT CONTROL SOLENOID VALVE "B" - OPEN OR SHORT.
KIA RIO YEAR 2011
HOW CAN IT BE FIX -
If the fluid level and condition is OK, then you may have to replace the solenoid to fix the problem. The following is an image of the valve body inside the transmission.
Click here to enlarge image -
The solenoids are located inside of the transaxle attached to the transmission valve body.
Click here to enlarge image
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