Torque converter clutch electrical code p0743

Question edited for a lot more clarity. Codes are P-Zero (0) not P-oh (o). Spelling also fixed.
Question moved to model category.

Here are your 3 codes with explanations and fixes. There are also a couple of videos, but one is in Spanish.

Hyundai Santa Fe P0743: Meaning, Causes, + Diagnosis

700r4transmissionhq.com https://www.700r4transmissionhq.com > p0743-hyund...
May 1, 2022 - P0743 is a generic OBD2 code that can occur in the Hyundai Santa Fe. It indicates that your ECU/TCM has found an issue with the torque ...

P0742 OBD-II Trouble Code: Torque Converter Clutch ...

YourMechanic https://www.yourmechanic.com > Articles
P0742 code means that the torque converter clutch circuit is behaving abnormally often due too dirty transmission fluid or valves.

Hyundai Santa Fe P0741 OBDII Transmission Code ...

700r4transmissionhq.com https://www.700r4transmissionhq.com > p0741-hyund...

Dec 11, 2018 - The vehicle's PCM (Powertrain Control Module) will throw the P0741 trouble code in the Santa Fe if there is a difference that is greater than ...

Here is some info on your problem....


P0743 Torque Converter Clutch TCC Solenoid Circuit Electrical

P0743 Torque Converter Clutch Circuit Electrical
P0760 Shift Solenoid C Malfunction

Here you go:

P0743 Torque Converter Clutch TCC Solenoid Circuit Electrical

"Torque Converter Clutch Circuit Electrical" according to:
http://web.archive.org/web/20090416200738/http://www.x5world.com/articles/x5/general-information/9544-bmw-fault-codes-their-meaning.html

Go here - www.jeepforum.com/forum/f11/tech-faq-links-tsbs-89273/ - and find the AW-4 Service and Diagnostic Manual. Looks like you need to test some solenoids.

P0740 (M)Torq Con Clutch, No RPM Drop at Lockup. Relationship between engine and vehicle speeds indicated failure of torque convertor clutch lock-up system (TCC/PTU solenoid)
P0743 (M)Torque Converter Clutch Solenoid/ Trans Relay Circuits. An open or shorted condition detected in the torque convertor clutch (part throttle unlock) solenoid control circuit. Shift solenoid C electrical fault - Asin transmission
P0743 (M)Torque Converter Clutch Solenoid/ Trans Relay Circuits. An open or shorted condition detected in the torque convertor part throttle unlock solenoid control circuit (3 or 4-speed auto. trans. only).__________________
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P0743: Torque Converter Circuit Electrical

- Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness or connectors
- Torque converter clutch solenoid valve circuit is open or shorted
- Low transmission fluid level
- Dirty transmission fluid

P0743 - Torque Converter Clutch Circuit Electrical
Symptoms - Engine Light ON (or Service Engine Soon Warning Light) Possible causes - Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness or connectors
- Torque converter clutch solenoid valve circuit is open or shorted
- Low transmission fluid level
- Dirty transmission fluid
Tech notes This is an electrical problem code. Could be a problem to the harness to the TCC solenoid, the TCC solenoid connector or the TCC solenoid it self.

The P0743 is torque converter clutch circuit electrical. The P0140 is O2 sensor circuit no activity detected (bank 1 sensor 2).

P0743 is torque converter circut electrical. Could mean that the lockup solenoid is faulty or connections are bad.