Torque Converter Clutch Circuit Stuck On
2000-2006 Lincoln LS 3.9L V8
Description
The TCC is not releasing when it should, causing the engine to stall or shudder at low speeds.
Symptoms
- Stalling when coming to a stop
- Shudder at low speed
- Vehicle lunging at stops
- Check Engine Light
Common Causes
- TCC solenoid stuck on
- Valve body issue
- Wiring short keeping solenoid energized
Diagnostic Steps
- Monitor TCC engagement state
- Test solenoid
- Check valve body
- Check wiring for shorts
Repair Notes
Replace TCC solenoid. Driving with TCC stuck on causes stalling.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0742 on Other Vehicles
Lincoln Aviator
2003-2005 4.6L V8
Lincoln Aviator
2003-2005 4.6L V8 DOHC
Lincoln Aviator
2020-2024 3.0L Twin-Turbo V6
Lincoln Aviator
2020-2024 3.0L V6 Twin Turbo
Lincoln Aviator Grand Touring
2020-2024 3.0L Twin Turbo V6 PHEV
Lincoln Aviator Grand Touring
2020-2024 3.0L Twin-Turbo V6 Hybrid
Lincoln Aviator Grand Touring
2020-2024 3.0L V6 Twin Turbo Hybrid
Lincoln Blackwood
2002-2002 5.4L V8
Common Questions
What does code P0742 mean on a 2000-2006 Lincoln LS?
P0742 stands for "Torque Converter Clutch Circuit Stuck On". The TCC is not releasing when it should, causing the engine to stall or shudder at low speeds.
What are the symptoms of P0742 on a Lincoln LS?
Common symptoms of P0742 include: Stalling when coming to a stop, Shudder at low speed, Vehicle lunging at stops, Check Engine Light.
What causes P0742 on a 2000-2006 Lincoln LS?
Common causes of P0742 include: TCC solenoid stuck on, Valve body issue, Wiring short keeping solenoid energized.