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Home >> Jeep >> 2013 >> Wrangler Rubicon, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P0743-TCC Solenoid Circuit >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
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  .