C: Torque Converter Clutch (TCC) Solenoid

Pinpoint Test C - Torque Converter Clutch (TCC) Solenoid

DTCs List: P0741 TCC engagement error detected
P0743 TCC solenoid circuit failure
P1741 TCC excessive slip detected
P1742, P1743 TCC solenoid 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, BOO switch
Transmission - Internal transmission components, linkages, cooling

This pinpoint test is intended to diagnose the following components:

- Transmission wiring harness, TCC, VPWR
- Powertrain control module

Transmission Harness Connector:

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-C9:

Pinpoint Test C: TCC Solenoid - C10-C13: