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Home >> Jeep >> 2018 >> Wrangler JK Sahara, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P0743-TCC Solenoid Circuit >> Possible Causes
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Possible Causes

Possible Causes
(T75) TCC SOLENOID CONTROL CIRCUIT OPEN
(T75) TCC SOLENOID CONTROL CIRCUIT SHORTED TO GROUND
TCC SOLENOID CONTROL CIRCUIT FOR A SHORTED TO ANOTHER CIRCUIT
TCC SOLENOID
TRANSMISSION CONTROL MODULE (TCM)

Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  .