P1743 — Torque Converter Clutch Solenoid Valve Open Or Short

What Does P1743 Mean?

P1743 is a manufacturer-specific diagnostic trouble code: Torque Converter Clutch Solenoid Valve Open Or Short. This code applies to KIA, MAZDA, OTHER, FORD, LINCOLN vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.

Symptoms of P1743

⚠️ Check Engine Light (MIL) illuminated
⚠️ Torque Converter Clutch Solenoid Valve Open Or Short not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ Reduced engine performance

Common Causes

🔍 Faulty Torque Converter Clutch Solenoid Valve Open Or Short
🔍 Wiring or connector issue in Torque Converter Clutch Solenoid Valve Open Or Short circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does P1743 mean?

P1743 indicates: Torque Converter Clutch Solenoid Valve Open Or Short. The vehicle's computer has detected that the Torque Converter Clutch Solenoid Valve Open Or Short is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P1743?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1743 for extended periods may cause additional problems.

How much does it cost to fix P1743?

Repair costs for P1743 typically range from $80 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect Torque Converter Clutch Solenoid Valve Open Or Short and related wiring
🔧 Replace faulty Torque Converter Clutch Solenoid Valve Open Or Short

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P1743: Torque Converter Clutch Solenoid Valve Open Or Short