FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

P0743

Tests 1 - 2:




Tests 3 - 7:




Test 8:




SYMPTOM
P0743-TORQUE CONVERTER CLUTCH SOLENOID/TRANS RELAY CIRCUITS

WHEN MONITORED
With the ignition ON. Battery voltage greater than 10 volts

SET CONDITION
An open or shorted condition is detected in the torque converter clutch solenoid control circuit.

POSSIBLE CAUSES
- Intermittent condition
- TCC solenoid
- Fused ignition switch output circuit open
- TCC solenoid control circuit shorted to voltage
- TCC solenoid control circuit short to ground
- TCC solenoid control circuit open
- PCM