Hyundai Kia Error Code P1750: How to Fix It
Hard 2-4 hours High Severity
Verified June 2026
- Error Code
- P1750
- Brand
- Hyundai Kia
- Product Type
- automotive
- Severity
- High
- DIY Difficulty
- Hard
- Estimated Fix Time
- 2-4 hours
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Tools You'll Need
- OBD2 scanner
- Digital multimeter
- Socket set
- Screwdriver set
- Transmission fluid
- Safety glasses
- Work gloves
How to Fix Error Code P1750
-
Scan for Additional Codes
Ensure the vehicle is parked on level ground with the parking brake engaged before beginning diagnosis. -
Check Transmission Fluid Level and Condition
Hot transmission fluid can cause severe burns. Use caution when checking fluid on a warm transmission. -
Inspect Transmission Wiring Harness
Disconnect the negative battery terminal before inspecting electrical connections to prevent shorts. -
Test Solenoid Valve B Resistance
-
Check Power Supply to Solenoid
Do not probe live electrical connections with metal tools. Use proper multimeter probes only. -
Test Ground Circuit
-
Replace Faulty Components
Transmission work requires specific torque specifications and procedures. Improper installation can cause catastrophic transmission failure. -
Clear Codes and Test Drive
If harsh shifting or slipping persists after repairs, stop driving immediately to prevent further transmission damage.
Parts You May Need
Transmission solenoid valve B
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Transmission filter and fluid
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Transmission wiring harness
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OBD2 scanner
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Transmission solenoid valve B
Check Price on Amazon
Transmission filter and fluid
Check Price on Amazon
Transmission wiring harness
Check Price on Amazon
OBD2 scanner
Check Price on Amazon
Transmission solenoid valve B
Check Price on Amazon
Transmission filter and fluid
Check Price on Amazon
Transmission wiring harness
Check Price on Amazon
OBD2 scanner
Check Price on Amazon
Transmission solenoid valve B
Check Price on Amazon
Transmission filter and fluid
Check Price on Amazon
Transmission wiring harness
Check Price on Amazon
OBD2 scanner
Check Price on Amazon
Transmission solenoid valve B
Check Price on Amazon
Transmission filter and fluid
Check Price on Amazon
Transmission wiring harness
Check Price on Amazon
OBD2 scanner
Check Price on Amazon
Transmission solenoid valve B
Check Price on Amazon
Transmission filter and fluid
Check Price on Amazon
Transmission wiring harness
Check Price on Amazon
OBD2 scanner
Check Price on Amazon
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When to Call a Professional
Call a transmission specialist if you find multiple solenoid failures, suspect transmission control module issues, or lack experience with transmission electrical diagnosis. Internal transmission damage or valve body problems require professional rebuild services and specialized tools.Frequently Asked Questions
Can I drive with P1750 code?
You should not drive with P1750 code as it indicates serious transmission electrical problems that can cause unsafe shifting conditions or complete transmission failure. Have it diagnosed immediately.
How much does it cost to fix P1750?
Repair costs range from $150-300 for solenoid replacement to $2000-4000 for transmission rebuild if internal damage has occurred. Early diagnosis and repair can prevent costly transmission damage.
What causes P1750 in Hyundai Kia vehicles?
Common causes include failed transmission solenoid valve B, damaged wiring harness, corroded electrical connections, low transmission fluid, or faulty transmission control module.
Is P1750 covered under warranty?
P1750 may be covered under powertrain warranty if your Hyundai or Kia is within the warranty period. Check with your dealer as some transmission issues have extended warranty coverage due to known problems.
How long does P1750 repair take?
Simple solenoid replacement takes 2-4 hours, while transmission rebuild for internal damage can take 1-3 days depending on parts availability and shop workload.