P2769
Torque Converter Clutch Duty Cycle Not Understood
2000-2002 Rolls-Royce Corniche 6.75L V8
Moderate SeverityPowertrainGeneric (SAE)
Description
The TCM cannot determine the correct duty cycle for TCC operation.
Symptoms
- Check engine light
- TCC shudder
- Abnormal converter operation
Common Causes
- TCM calibration issue
- Input sensor fault
- Solenoid performance issue
Diagnostic Steps
- Check input speed sensor
- Update TCM calibration if TSB exists
- Monitor TCC data
Repair Notes
Update TCM software. Replace solenoid if mechanical fault.
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
P2769 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 P2769 mean on a 2000-2002 Rolls-Royce Corniche?
P2769 stands for "Torque Converter Clutch Duty Cycle Not Understood". The TCM cannot determine the correct duty cycle for TCC operation.
What are the symptoms of P2769 on a Rolls-Royce Corniche?
Common symptoms of P2769 include: Check engine light, TCC shudder, Abnormal converter operation.
What causes P2769 on a 2000-2002 Rolls-Royce Corniche?
Common causes of P2769 include: TCM calibration issue, Input sensor fault, Solenoid performance issue.