Torque Converter Clutch Circuit Stuck On
2000-2002 Rolls-Royce Corniche 6.75L 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
Rolls-Royce Cullinan
2019-2024 6.75L V12 Twin Turbo
Rolls-Royce Dawn
2016-2024 6.6L V12 Twin Turbo
Rolls-Royce Ghost
2010-2024 6.6L V12 Twin Turbo
Rolls-Royce Phantom VII
2003-2017 6.75L V12
Rolls-Royce Phantom VIII
2018-2024 6.75L V12 Twin Turbo
Rolls-Royce Silver Seraph
1998-2002 5.4L V12
Rolls-Royce Silver Spirit
1990-1998 6.75L V8
Rolls-Royce Silver Spur
1990-1998 6.75L V8
Common Questions
What does code P0742 mean on a 2000-2002 Rolls-Royce Corniche?
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 Rolls-Royce Corniche?
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 2000-2002 Rolls-Royce Corniche?
Common causes of P0742 include: TCC solenoid stuck on, Valve body issue, Wiring short keeping solenoid energized.