P2769
Torque Converter Clutch Duty Cycle Not Understood
1998-2002 Rolls-Royce Silver Seraph 5.4L V12
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 Corniche
2000-2002 6.75L V8
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 Spirit
1990-1998 6.75L V8
Rolls-Royce Silver Spur
1990-1998 6.75L V8
Common Questions
What does code P2769 mean on a 1998-2002 Rolls-Royce Silver Seraph?
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 Silver Seraph?
Common symptoms of P2769 include: Check engine light, TCC shudder, Abnormal converter operation.
What causes P2769 on a 1998-2002 Rolls-Royce Silver Seraph?
Common causes of P2769 include: TCM calibration issue, Input sensor fault, Solenoid performance issue.