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C: Torque Converter Clutch (TCC) Solenoid

Pinpoint Test C - Torque Converter Clutch (TCC) Solenoid

DTC List: P0741 - Torque Converter Clutch Error Detected
P0743, P1743 - Torque Converter Clutch Circuit Failure

NOTE: This pinpoint test is intended to diagnose the TCC solenoid electrical system only. To prevent replacement of good components, be aware that the following areas may be at fault:

Engine - Performance, Cooling
Electrical - Battery, Input Sensors, Wiring Harnesses, Brake Switch
Transmission - Internal Components, Leakages, Cooling

Internal Harness Diagram:







This pinpoint test is intended to diagnose the following components:

Transmission wiring harness, TCC, VPWR
Powertrain control module (PCM) - 12A650

Pinpoint Test C: TCC Solenoid - C1:






Pinpoint Test C: TCC Solenoid - C2-C4:






Pinpoint Test C: TCC Solenoid - C5-C7:






Pinpoint Test C: TCC Solenoid - C8-C11:






Pinpoint Test C: TCC Solenoid - C12-C13: